Fix Windows Activation Authentication Failed Error: License Not Genuine
When you see a message like “Windows activation authentication failed” or “license not genuine,” ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Remote Desktop Connection Timeout
You're trying to connect to a remote desktop (RDP) session, but the connection times out before y...
Checklist: Windows Update Service Not Running in Services.msc
When you open Services.msc and see that the Windows Update service (wuauserv) is not running, or ...
Fix Remote Desktop 502 Bad Gateway & Gateway Timeout
If you're seeing a "502 Bad Gateway" or "Gateway Timeout" when trying to connect to a remote desk...
How to Unlock Windows Update Files for Installation
If Windows Update files are stuck or fail to install, they may be locked by another process or pe...
Fix OneDrive Error 0x8007016a Not Syncing
You see OneDrive error 0x8007016a and your files stop syncing. Usually this means OneDrive can't ...
Topic paths
Quick titles
OneDrive High Memory Usage: Troubleshooting ChecklistTroubleshooting Chrome Error Code 0x0000007bWindows Update Slow on Mac? Try These FixesWindows Update Dependency Conflict: Step-by-Step FixFix Windows Search Module Not Found ErrorResolve Microsoft Teams Access Denied QuicklyWindows Defender Module Missing Error FixHow to Install Outlook on Ubuntu