Checklists for software errors, setup, and tool workflows.

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Fix Windows Defender File Locked Permission Denied Error

You try to open, edit, or delete a file and get an error like File locked by Windows Defend...

Fix Windows Security Center Version Mismatch Errors
You open Windows Security and see a message about a version mismatch, or the Security Center serv...

Fix Windows Search Endless Login Prompt
You open Windows Search, click inside the box, and a login window pops up asking for your Microso...

Fix Windows Update Version Mismatch Configuration Error
You see a message like "Windows Update configuration mismatch" or "version mismatch" when trying ...

Fix Windows Activation Module Not Found Error
When you see 'Windows activation module not found' while trying to activate Windows, it usually m...

Fix OneDrive Connection Refused Error 0x8004de40
You see OneDrive error 0x8004de40 with the message "Connection refused." This often happens when ...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Windows Defender File Locked Permission Denied Error

Fix Windows Security Center Version Mismatch Errors

Fix Windows Search Endless Login Prompt

Fix Windows Update Version Mismatch Configuration Error

Fix Windows Activation Module Not Found Error

Fix OneDrive Connection Refused Error 0x8004de40

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