Fix Windows Activation Error 0x8007007b on Ubuntu
If you see Windows activation error 0x8007007b while using Ubuntu (for example, in a dual-boot se...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Security Proxy Error Checklist: Diagnose & Fix
If you see "Windows Security" proxy errors when trying to access the internet or a network resour...
Fix Windows Security Not Launching at Startup
You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...
Fix Outlook High Memory Usage & Error 0x80040600
If Outlook is using excessive memory or showing error 0x80040600, the issue often stems from a co...
How to Fix Windows Activation Failed to Start Permission Denied
You try to activate Windows and get an error: "Activation failed to start" with "Permission denie...
Fix Windows Terminal Setup Configuration Update Errors
If you see an error during Windows Terminal setup that says something like "Configuration update ...
Topic paths
Quick titles
How to Reset and Reinstall Windows Defender ModuleTroubleshoot PowerShell Offline Installation FailureHow to Fix Windows Terminal Error 0x80070005 on MacAdd Folder to PATH Windows 10 TutorialFix Windows Search 'Access Denied' Permission ErrorWindows Defender Performance: Disable Real-Time ProtectionOneDrive Permission Denied After Migration FixChrome Not Saving Startup Pages? Here's How to Fix It