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.
Uninstall or remove apps and programs in Windows - Microsoft Support
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.
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.
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.
Backup and restore with File History - Microsoft Support
File History is a handy feature in Windows that helps you protect your personal files and folders from accidental loss or damage. Think of it as a backup system that automatically saves copies of your files, so you can easily restore them if something goes wrong.
Repair Outlook Data Files (.pst and .ost) - Microsoft Support
You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape. You might want to use the Inbox Repair tool in the following situations:
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016
Remove malware from your Windows PC - Microsoft Support
Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.
Applies To:
OneDrive (home or personal), OneDrive for Windows
"Access Denied" or other errors when you access or work with files and ...
When you try to access or work with files and folders in Windows, you experience one or more of the following issues: Issue 1: You receive an "Access Denied" error message or a similar message. Issue 2: You cannot access, change, save, or delete files and folders. Issue 3: You cannot open a file or folder after you install a new version of Windows.
What to do when a malicious file is found in SharePoint Online ...
You've come across a file in SharePoint in Microsoft 365, OneDrive for work or school, or Microsoft Teams, but you're unable to open or share it. You can see the file is there, but it's blocked and the file has a warning icon next to it: To protect yourself, your computer, and your organization, the best option is to delete the file.
Applies To:
SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), Microsoft Teams, OneDrive for Mac, OneDrive for Windows, SharePoint admin center
Protect your PC from potentially unwanted applications
Potentially unwanted app blocking was first introduced in the Windows 10 May 2020 update and is turned off by default for enterprise and consumer customers. Note: Beginning in September of 2021 we will only be blocking cryptomining software as PUA for enterprise customers. How do I configure it?