Dark mode, dynamic desktop, stacks, security enhancements, and more: macOS Mojave introduced many new features and improvements to macOS. But like any other operating system, Mojave isn’t without its glitches, bugs, and all kinds of compatibility paradoxes. In this article, we’ll cover common macOS Mojave problems and explain how to solve them.
In short: Office 365 for Mac gives you the latest features and updates if you have the latest MacOS (Mojave 10.14) or the two before (10.13 High Sierra or 10.12 Sierra). Office 365 for Mac needs Mojave, Sierra or High Sierra. The ‘subscription’ Office 365 for Mac available now needs the MacOS released in the last two years. Office 2011 is the most recent version of Microsoft Office for Mac that will work with Design Science's Equation Editor. I just checked their website today and this issue remains outstanding. If you are doing math or science and need equations, you need to stick to 2011.
Open Microsoft Office documents on your Mac. On your Mac, you can use the Pages, Numbers, and Keynote apps to open documents created with Microsoft Office. Office 2016 was updated to 64-bit in 2016. If you have an Office 365 subscription, you can update Office 2016 through that, if necessary. If you bought the standalone version of 2016 and are still running the 32-bit version, you can download an update from Microsoft’s website or by using CleanMyMac’s Updater module.
Before September 2018, macOS Mojave was only available as a Beta via an Apple developer account. If you want to get early access to future OS updates, you might consider becoming an Apple Developer. This privileged club costs $99 per year to join, and in exchange, you'll be the first to lay your hands on Apple’s fresh releases.
Here is the list of most common Mojave issues that have been reported so far.
One of the most reported macOS Mojave problems is a Mac getting stuck in the middle of the Mojave installation. A simple explanation — your Mac is just not technically fit to run Mojave. According to Apple, macOS 10.14 can be launched only on Macs not older than from 2012. If yours was released earlier — sorry, you’ll have to miss this update.
Below is the list of Mac models compatible with Mojave:
Okay, let’s assume your Mac is fully compatible with macOS Mojave. But still, you get something like 'Installation of macOS could not continue' on your screen. What’s causing the installation trouble, then? If your Mojave update stuck or ends abruptly, you should go back to square one and do it properly this time. The recommended procedure requires backing your Mac up and cleaning your Mac from “old baggage” that may interfere with the macOS update.
As a general rule, a fresh macOS requires a fresh hard drive. There are tons of outdated caches, app leftovers, plugins, and system logs on any given Mac. Not only do they take a lot of space, but they may also be causing various kernel-level errors. To clear them away, use a dedicated Mac cleanup app — you’ll be able to delete hidden junk that you otherwise can’t access. Among many alternatives, the simpler solution is CleanMyMac X, which has proved quite effective in cleaning my MacBook Pro (15-inch, 512 GB).
Now your Mac is ready to install macOS Mojave on top of your current OS. What’s left is to prepare the data backup in case something goes wrong.
Now, delete the previously downloaded macOS Mojave installation (find it in your Downloads) and restart your computer. Next up, re-download the installation file from your Apple Developer Account or the Mac App Store.
You have downloaded the macOS Mojave and still cannot go past the “Preparing the installation…” window. Let’s admit, new macOS versions are often buggy and problematic, but here are a few more ideas to try.
Start your Mac in Recovery Mode. To enter Recovery Mode on Mojave, Click Apple logo > Restart. Right after that, hold down Command + R buttons while your Mac is restarting. While in Recovery Mode, you’ll be able to run Disk Utility to check your disk for consistency.
Disable your antivirus software if you have any installed. Sometimes such apps would block any new installation attempts — a classic case of overprotection.
Some folks have reported they have run into trouble trying to install macOS Mojave onto an external SSD drive. The installation would abort midway and eventually drop you back into High Sierra. As some bloggers have pointed out, the issue is caused by a USB-C adaptor connected to MacBook.
The solution suggested on Mac forums would be to connect the SSD via Thunderbolt 3 port. If you haven’t got a similar dock available, but your external drive has a Thunderbolt 1 or 2 port, try connecting it directly using a Thunderbolt 3 to 2 adaptor. Hopefully, this time it should work.
One more suggestion is to go the radical way and perform a clean install of macOS 10.13 High Sierra and then go one step up to macOS Mojave.
The first editions of macOS 10.14 Mojave seemed to be lacking some basic iCloud features, which will likely be added in the next updates. One of those missing bits is Back to My Mac functionality (remote access to files and screen sharing). But the most annoying setback is iCloud not syncing properly.
How to fix it? First, sign out from the iCloud account and sign in back again.
Then, similarly, log in back to your account. If that doesn’t resolve the syncing issue, delete the iCloud-linked folder “Cloud Docs” in the Finder. This will cause your Mac to download iCloud drive files and re-establish the connection.
In addition to that, you’d want to stop a couple of iCloud-related processes in Activity Monitor. This will reboot iCloud syncing from the ground up.
Repeat the same steps for the “bird” process.
Since iMessages syncing has been added to macOS Mojave (cool!), this may not work properly after the update. To fix it, you must apply the ancient “switch it off and on again” principle that works equally well for your home appliances. Simply disable and then re-enable iMessages syncing via iCloud to get it going as it should.
Bluetooth connection not working on macOS 10.14 Mojave is a known issue too. The symptoms look like your Mac just wouldn’t connect to Bluetooth, or in some cases, refuse to turn itself off.
To address this injustice, it’s recommended to delete the Bluetooth
plist file — don’t worry, it will recreate itself upon the next Bluetooth launch. But just in case, copy the file to some safe location.
com.apple.Bluetooth.plistfile and delete it.
This macOS Mojave problem is quite typical. Unfortunately, not all the apps are updated to meet every macOS requirement, so it often happens that an app crashes on your Mac startup and makes the whole OS slow and unresponsive. This is what you can do about this:
So how can you fix macOS Mojave crashing at login? Luckily, this issue is nicely tackled with the previously mentioned CleanMyMac X. It allows you to remove Login Items one by one so you can see which app was causing the macOS to crash. Disabling Login items with CleanMyMac at first may seem like an extra step, but it’s worth it.
Using the same tool, you can also trim down the so-called Launch Agents or Daemons. These are small helper applications that run in the background and extend the main app's functionality, like Skype. Once again, your logic is to switch off one app at a time to see if it fixes the problem.
A user on the MacRumors forum suggested another possible solution. This annoying macOS Mojave problem can be fixed by removing the potentially corrupted property list (
plist) files in Preferences. These files contain individual user settings for various parts of the macOS (Finder, Desktop, Applications). Resetting them may be just the solution you need. To proceed, you will need to start your Mac in Safe Mode.
To enter Safe Mode, hold down Shift when your Mac is booting up. Let go of the Shift key when you see the Apple logo appearing on the screen.
1. Click Finder > Go > Go to Folder…
2. Paste in:
Note: copy this entire folder
plist files for Finder or Desktop.
Restart your computer to see if that fixed the issue. If not, the optimal solution would be to revert to macOS High Sierra and wait for the next macOS Mojave updates from Apple. To go back to your previous macOS, install it from the Time Machine backup that we are sure you had meticulously prepared.
So you’ve successfully installed macOS 10.14 Mojave to find out that your Mac’s performance got worse. This may not be a Mojave-specific issue, though. Normally, people judge the efficiency of their Mac by looking at the speed of their most-used apps. If your Mac hangs while you’re using Skype, for example, this may be due to Skype conflicting with the Mojave, thus a completely an app-related problem. But, anyway, it’s a good idea to do a basic health check of your system.
1. Clean up your Desktop
Remember, every desktop icon takes up RAM space. Fewer icons — the faster your Mac gets. When your Desktop is clean, restart your computer. Newly-introduced 'Desktop Stacks' feature on macOS Mojave lets you put those icons in order.
2. Update all your apps to their latest versions
What may seem like a problem with macOS Mojave can be an issue caused by your outdated software. Except for bug fixes, updates contain essential improvements to ensure the app can run smoothly on all versions of the OS. Keep your programs up-to-made to avoid vulnerabilities and slow performance.
3. Check your Activity Monitor
Go to Launchpad > Activity monitor. Quit apps and processes that take up an unfair amount of memory.
4. Remove system junk and app cache
Outdated cache files, redundant support files, and logs generated by all your apps can slow even a powerful Mac down to a crawl. Remember how fast and efficient your Mac was straight from the store? You can partially restore this original power by cleaning up your Mac from top to bottom, or from Finder to Library if you like. CleanMyMac X is a great app that can clean all sorts of junk and clutter from your hard drive.
Things that deserve being removed:
You can download a free CleanMyMac version here. It cleans all the items described above.
The latest update to macOS Mojave introduced a new feature that leaves many of us, Apple fans, disappointed. Now the default behavior of macOS Mojave is to show you the 3 most recently used applications in the Dock. So if you have just quit an app and it still shows up in the Dock, it’s not a bug but a feature. Luckily, an easy reversible one.
After all, the Dock is a customizable corner of the macOS, and it should be left to the user to decide what to put in there.
The main problem here is the 32-bit/62-bit distinction. Apple stated that macOS High Sierra is the last operating system to support 32-bit optimized applications. From then on, if an app isn’t updated for 64-bit architecture, you won’t be able to use it on Mojave. This is one of the reasons not to update and stay with the good old High Sierra on your Mac.
Before you upgrade to macOS Mojave, check for compatibility issues. Here's how to do that:
Now, look for the last column 64- bit in the window that opens. “Yes” indicates that the app in question is ready to run on macOS Mojave. Sadly enough, even some of Apple’s native 32-bit apps will not be supported on macOS Mojave. This includes Aperture, an old version of iWork, and the old version of Final Cut Studio.
Other notable 32-bit apps are Microsoft Office’s Powerpoint 2011, Outlook 2011, Word 2011, Excel 2011. The adequate answer to that is to update these apps to newer versions. Or you could also:
However, if you've already upgraded to macOS Mojave and need to check the incompatible software, you have to follow different steps than mentioned above. In Mojave, 32-bit apps can be reviewed in System Information:
That's how you can get an overview of 32-bit apps on your Mac if Mojave is installed on your Mac. Developers are highly encouraged to migrate to a 64-bit framework but it will take some time. So, if you need to remove the incompatible apps from your system, check a few tips below.
When you see this rather discouraging message, you may simply want to uninstall the app — a radical solution to the problem. To make things easier, the Uninstaller tool in CleanMyMac has a special tab that will show you all 32-bit apps you have on your Mac. From there, you are one click away from deleting them all at once:
This happens too. In this case, you can download the app again and try to re-install it from scratch. There is a more elegant solution, though. CleanMyMac tool, mentioned in this article, has a tool to reset the apps to their original state, notably, without losing your user settings.
Using this method, I successfully fixed my Evernote app, failing to sync after the last update.
Since we're talking app versions, one more use of this versatile program is to update your applications to the latest versions. Instead of googling for the latest version of app X, Y, Z, you can update everything in one shot — just what the Updater tool in CleanMyMac X does.
Many people report that after upgrading to macOS Mojave, Time Machine cannot complete a backup. Unfortunately, this problem isn’t fixed yet, so keep an eye on software updates in the Mac App Store.
Before that, if you don’t want to risk losing your important files, consider some alternative backup options. You can transfer files to an external drive, iCloud, etc. For more information, check out this article about different ways to back up your Mac.
Since installing macOS Mojave, the battery life of your MacBook has become shorter? Then it’s time to check what’s causing the battery drain on your Mac. Here’s how to do that:
From there, you can see how much energy your programs are taking up. If it’s a lot, you may consider uninstalling some apps.
If you want to monitor your battery health and get alerts when something goes wrong, I recommend using CleanMyMac’s Menu. One click, and you know the most resource-consuming apps, health indicators of your battery, hard drive, and memory.
You can also check an article about increasing Mac battery life; it’s full of useful tips.
If you’re having trouble connecting to the internet, try starting your Mac in Safe Mode and check the connection. If you’re not sure how to do that, here’s a detailed guide how to use Safe Mode.
If Wi-Fi works in Safe Mode on Mojave, then it means there’s an issue with an app or extension you installed. Make sure that all your apps are updated to the latest versions to avoid compatibility issues. To do that quickly, use the Updater tool in CleanMyMac X utility. With its help, you can easily get the latest and the most reliable versions of your applications.
Here’s how to use CleanMyMac’s Updater:
That’s it! Now you are up-to-date.
Some people reported that after installing Mojave, thumbnail previews of some files, such as photos and PDFs, don’t show up.
One thing you can try is removing the cache files by starting your Mac in Safe Mode, then shutting it down and restarting normally. But I recommend using CleanMyMac in this case. It helped me to get all my files previews back. After launching the app, go to System Junk to remove the caches, and then use Maintenance utility to Run Maintenance Scripts.
A zero-day vulnerability has been revealed by a security researcher Patrick Wardle just after the Mojave launch. This bug can allow an attacker to use a malicious app in order to steal your personal data, such as contact details from your Mac.
Patrick highlighted it on Twitter with a video that shows how he tries to access the address book on Mojave, and failing, before running a script simulating a malicious app which finally allows to access the address book and copying the data.
Apple later addressed and fixed this bug. Although the user data is safer in Mojave, there’re still situations where you can’t be fully protected. That’s why it’s important to update your software and OS as soon as updates are released.
With several drawbacks mentioned in this article, macOS 10.14 Mojave still looks and feels great. A new macOS Mojave 10.14.6 supplemental update fixed several issues and included the relaunch of Safari 14, which is promised to be running correctly now. So, if you’ve already updated your Mac to Mojave, welcome to the Dark Side Mode!
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When Apple announced in 2017 that macOS High Sierra would be the last version of the Mac operating system to support 32-bit applications without limitations, that seemed to spell the beginning of the end for those apps on the Mac. And when it launched macOS Mojave beta in June 2018, it reinforced that message, saying that Mojave would be the last version to support 32-bit apps in any way. Most 32-bit apps still work, however, while others have been or will soon be updated. A third group have other problems with Mojave that mean they won’t run properly and have not been updated, their developers preferring to allow them to reach a natural end of life on the Mac.
If you still run 32-bit apps and are running High Sierra or Mojave, you will probably have seen warnings telling you that the app is not optimized for the version of the OS you’re running. Most 32-bit apps still run fine, others will struggle. So, the answer to the question ‘will macOS Mojave run 32 bit apps’ is that it very much depends on the app. Technically, 32 bit apps in Mojave will run but with some limitations on what they are able to do.
There’s a very simple way to find out which of the apps installed on your Mac are 32-bit.
1. Click on the Apple menu and choose About this Mac
2. Press System Report…
3. Scroll down to the software section and click on Applications
4. Enlarge the window so you can see all the columns
5. Grab the bar that divides the list of apps and the description text and drag it down so you can see more of the list
6. Go through the list and look at the ’64-bit’ column
7. If you see any ‘No’s in the column, those apps are 32-bit
What do I do if I find 32-bit apps in Mojave?
You could do nothing, after all 32-bit apps will still run in Mojave. Or you could launch each one to see how it runs. But you will need to take action soon, especially if you rely on those apps, because they won’t run in future versions of macOS.
The best course of action is to check if there are updates available for any app you find that is 32-bit. There are two ways to do this, the fast way and the slow way.
CleanMyMac X can scan all the applications on your Mac and check for updates automatically. It then allows you to view the updates and, with one-click install each one.
1. Launch CleanMyMac X
2. Click on the Updater module
3. Press View all updates and view an app
4. Select Update
1. Open each 32-bit app, one at a time
2. Click its name in the menu bar
3. Choose Check for Updates
4. Install any updates it finds
5. Repeat for the next 32-bit app
What if there’s no update?
If there’s no 64-bit version of an app you use regularly, check the developer’s website to find out if they plan to release one before September 2019. If not, it’s time to find a replacement for the app. In many cases, the developer will have released a completely new version of the app, or a replacement for it, and you’ll have to purchase that separately. In other cases, you’ll need to find a completely new app to use.
Once you’ve replace the app, it’s a good idea to uninstall the 32-bit version from your Mac, to free up space and reduce the chance of conflicts. You can do this manually, by going through folders in your Mac’s Library and tracking down every file associated with the app. Or you can use the Uninstaller module in CleanMyMac which will remove every trace of an app with on click.
Quite a number of apps from big developers like Apple, Microsoft, and Adobe will stop working when macOS stops running 32-bit apps altogether. Here are a few of them:
The last version of Aperture, which was replaced with Photos, was released in 2014 and is 64-bit so may run without a problem. However, older versions are 32-bit and won’t run at all once macOS stops supporting those apps completely.
The first 32-bit version of iWork was iWork 13, so if you’re running an older version, it won’t work after September 2019. The good news is that the current iWork apps are free to download from the App Store.
Apple’s professional video and audio tools were superseded by Final Cut Pro X and Logic Pro X in 2011. If you’re still running the older versions, now is the time to move on. There is one thing to note, however. Many of the apps that used to come bundled with both Final Cut and Logic Studio were never updated. These include DVD Studio Pro, Soundtrack Pro, Cinema Tools, and Color. So, if you’re still running older versions of those apps, you’ll need to find replacements.
Office 2011 is a 32-bit application and won’t run once macOS stops supporting 32-bit apps altogether. Office 2016 was updated to 64-bit in 2016. If you have an Office 365 subscription, you can update Office 2016 through that, if necessary. If you bought the standalone version of 2016 and are still running the 32-bit version, you can download an update from Microsoft’s website or by using CleanMyMac’s Updater module.
All Creative Cloud versions of Adobe apps are 64-bit and so if you have a Creative Cloud subscription you won’t have any problems with Mojave or future versions of macOS. If you’re still running CS 5 or CS 6 versions of Adobe applications, compatibility varies on an application by application basis.
Photoshop CS 5 is 64-bit but there have been many reported compatibility problems with Mojave. CS6 seems to work fine with the latest version of macOS. Illustrator CS5 is 32-bit so, at the very least, you should update it to CS 6 if you can. InDesign wasn’t updated to 64-bit until Creative Cloud, so if you’re running CS 5 or CS 6 you should update to Creative Cloud before September 2019. Premiere Pro has been 64-bit since CS4 and After Effects since CS5, so as long as you are using those versions or later, you should be ok. Lightroom has been 64-bit since Lightroom 2.
According to the company, Live 10 is not yet fully Mojave compatible. It says on on its website: ‘ We advise users to wait until a fully compatible version of Live is released before updating to macOS Mojave.’
Avid says that Media Composer is not ‘“supported” on Mojave currently. That doesn’t mean that it won’t work, but it does mean the company is aware of several issues.
The hugely popular audio production tool is another one of Avid’s products that company says is not currently supported on macOS Mojave.
Like Pro Tools and Media Composer, Avid says it is aware of issues with its Sibelius musical score editor and Mojave and advises against running it on Apple’s latest operating system.
This popular app, that allows you to record FaceTime calls for, say, interviews or podcasts doesn’t work with Mojave. Ecamm says that Apple has tightened up security and made changes to FaceTime that mean Call Recorder will no longer work.
The company says of versions X7, X8, and X9: “Through our testing and reports from users, we discovered some issues with the EndNote PDF viewer that existed with macOS High Sierra have persisted with macOS Mojave.” It adds that Endnote X6 is not “officially compatible” with Mojave at all.
Suitcase Fusion 8 is currently a 32-bit application and the company says: “ Extensis is working to make its applications 64-bit compatible for all future macOS updates and will provide public updates as soon as they are available.” It also said in a support post that if users dismiss the “not optimized” warning, it should work as normal. Obviously, that won’t be the case in future versions of macOS, which will only run 64-bit applications.
The company advises users running earlier versions of its audio creation tool to update to version 10.2.
While macOS Mojave will run 32-bit applications, it does so with limitations. Those limitations depend on the application you’re trying to run. Most developers have already released 64-bit versions of their apps and it’s a good idea to upgrade to them now. When you do, you can use CleanMyMac to quickly identify which apps on your Macs have updates available and to uninstall the 32-bit versions you no longer need.