Use the System File Checker tool to repair missing or corrupted system ...
To resolve this problem, perform the System File Checker scan in safe mode, and make sure that the PendingDeletes and PendingRenames folders exist under %WinDir% \WinSxS\Temp. Windows Resource Protection found corrupt files and successfully repaired them. Details are included in the CBS.Log %WinDir% \Logs\CBS\CBS.log.
Fix problems that block programs from being installed or removed
Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use Windows Security (or another antivirus tool), or you can use the Windows Malicious Software Removal tool.
Recover lost or deleted files - Microsoft Support
Learn how to recover files that have been lost, deleted, or accidentally changed.
Uninstall or remove apps and programs in Windows
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Request a refund for digital games | Xbox Support
Refunds for digital games include Microsoft Store digital game offers, Xbox apps (excluding movies and TV apps), digital gaming bundle offers, digital game durable content, and some digital game consumable content, whether made available through the Xbox console, on your PC, or on your mobile device.
How to troubleshoot Windows Installer errors - Microsoft Support
When you install, uninstall, or update a program on a Windows-based computer, you may receive one of the following error messages. The Windows Installer Service could not be accessed. Windows Installer Service couldn't be started. Could not start the Windows Installer service on Local Computer. Error 5: Access is denied.
Add an exclusion to Windows Security - Microsoft Support
Find out how to stop Windows Security from alerting you about or blocking a trusted file, file type, or process, by adding it to the exclusions list.
How to delete the contents of the Temporary Internet Files folder
Watch a video about how to delete the contents of the Temporary Internet Files folder yourself. Follow these steps according to your version of Windows. Note: If the Temporary Internet Files folder contains a large amount of webpage content, this process may take several minutes to complete. More Information.
Find your BitLocker recovery key - Microsoft Support
When you are prompted to enter a BitLocker recovery key, take note of the first 8 digits of the recovery key ID. The recovery key ID helps identifying which recovery key to use, in case you have more than one. Where can I find a BitLocker recovery key?
How to start a scan for viruses or malware in Microsoft Defender
Microsoft security help and learning. If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.
Applies To: Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows