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- How To Fix Application Errors
Mac users have fewer errors to contend with than Windows but those that do occur are much more annoying. One common error we have seen quite a lot here at Dave’s Computers is ‘ This app is damaged and can’t be opened. You should move it to the Trash’. Today I’m going to show you how to fix it.
It’s never fun when you try to buy an app, purchase a subscription, or make an in-app purchase and aren’t allowed. Hopefully one of the above reasons and fixes solves your problem. If not and you found a different one for why your purchase could not be completed in the App Store, please share in the comments below! With a bit of trial and error, you can identify which app is the problem child. You can remove login items one at a time and start up your Mac after each removal to see if the problem is gone. Get online help See more support pages for OneDrive and OneDrive for work or school. For the OneDrive mobile app, see Troubleshoot OneDrive mobile app problems. OneDrive Admins can also view the OneDrive Tech Community, Help for OneDrive for Admins. Contact Support If you still need help, contact support through your browser or shake your mobile device while you're in the OneDrive app. Opening a file in macOS is quite easy. You just need to double-click on it — and voila! It shouldn’t take long to open a file on your Mac. Click the 'Apple' logo in your Mac's menu bar. Select 'Force Quit'. The subsequent popup displays a list of all the apps that are currently running on your Mac. If the misbehaving app appears in this list, then select it and click 'Force Quit'. Relaunch the app to see whether this easy fix has solved your problem.
The error syntax will usually include the app name, so could read ‘Signal is damaged and can’t be opened. You should move it to the Trash’. The name would obviously reflect the app that isn’t working properly and tells you where to start in your troubleshooting.
Fixing damaged app errors on Mac
You have a few options when you see this error and I shall place them in the suggested order of priority when trying to fix them.
Reboot your Mac
A reboot is a useful first troubleshooting step to take with any Mac issue. It will purge RAM and reload all data from the OS and the app. If it was a corruption of the cache or app data held in memory it will all be gone and a fresh, hopefully uncorrupted copy, loaded.
Check for updates
Very occasionally, Mac OS will update and add an incompatibility that causes an app to error. If you have just updated Mac OS, it is worth checking for app updates too. They should download immediately but may need a helping hand. Use System Updates or the App Store to look for updates.
Reinstall the app
If there are no system or app updates and a reboot didn’t fix the error, your best bet is to uninstall the app and install a fresh copy. Something may have happened to the install files and be causing the error.
![Mac fix errors app installer Mac fix errors app installer](/uploads/1/1/9/4/119473179/307149720.png)
- Navigate to Applications on your Mac.
- Drag the app icon to the trash or right click and select Move to Trash.
- Right click the trash icon and select Empty Trash.
- Go to the App Store or developer’s website and download a fresh copy of the app.
- Install it as normal.
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This should definitely stop the error from occurring and have you up and running again as usual. If it doesn’t, you might like to bring your Mac over to Dave’s Computers in New Jersey as it will need more work.
We use a tool called ‘xattr’ that can repair an installation but it requires a careful hand to use. Getting it wrong can seriously damage the app beyond repair and can cause your Mac to not respond in the normal way. Experienced users can try ‘xattr’ but I wouldn’t suggest it for casual users.
You would open a Terminal and type ‘xattr -cr /Applications/Signal.app’ and hit Enter. This will remove all attributes linked to Signal and stop the error from happening. You would perhaps need to reinstall the app afterwards or will need to set up the app defaults depending on the app.
If you have any app errors and you don’t want to fix them yourself, the guys here at Dave’s Computers will be only too happy to help!
Many Hackintosh users running Mac OS X Lion have been unable to login to the Mac App Store, instead receiving the error, 'Your device or computer could not be verified. Contact support for assistance.' The verification issue appears to have affected the several legitimate Macs as well, though on less wide of a scale. There is no single, definite solution to this issue, but several possible workarounds are available. Read past the break to find out how to fix the error.There are several solutions to the login error.
1. Go to /Extra in your main hard drive and open the text file org.Chameleon.boot.plist with TextEdit. This is the configuration file for the Chimera bootloader (which UserDSDT uses). Add this string to the part of the file between <dict> and </dict>:
<key>EthernetBuiltIn</key>
<string>Yes</string>
Then reboot. If this doesn't solve the errors, proceed to the next solution.
2. Open org.Chameleon.boot.plist again. Add the following string:
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<key>PCIRootUID</key><string>1</string>
If this string is currently set to 0, change it to 1. Reboot.
3. If neither of the above solutions fix the issue, open the System Preferences app and go to the Network section. On the left-hand column in the Network section, select each of the items and remove it by clicking the minus sign on the bottom of the column.
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Then, go to /Library/Preferences/SystemConfiguration in your main hard drive and delete NetworkInterfaces.plist. Or alternatively, drag it to the desktop (as a backup, in case things go wrong).