Fix Windows Activation Authentication Failed Error: License Not Genuine
When you see a message like “Windows activation authentication failed” or “license not genuine,” ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix High Memory Usage by Command Prompt (cmd.exe)
You open Task Manager and see that Command Prompt (cmd.exe) is using 500 MB or more of RAM. That'...
Fix Microsoft Teams Not Launching on Ubuntu
If Microsoft Teams opens to a blank screen, crashes immediately, or simply won't start on Ubuntu,...
Resolving PowerShell Version Mismatch in Automation Scripts
You're running an automation script and get an error about a cmdlet not being recognized, or a pa...
Fix Chrome Profile Not Loading with 502 Bad Gateway Error
If Chrome shows a 502 Bad Gateway error when you try to load your profile, the i...
Fix Windows Defender 'Cannot Connect, Permission Denied' Error
When you see 'Cannot connect, permission denied' in Windows Defender Security Center, it usually ...
Issue queue
SitemapTroubleshoot Windows Defender Auto Start Issue Windows 10
How to Fix Windows Defender Error 0x80070422
Fix Common Chrome Problems on Windows
Fix PowerShell Migration Errors to Azure AD
Speed Up Outlook on Windows 10: Configuration Fixes
Fix Docker Desktop Hanging at Startup
How to Fix Token Expired in Command Prompt After Login
Outlook Permission Denied – Troubleshooting Guide
Remote Desktop Log File Location for Troubleshooting Connection Issues
Windows Search High CPU Registry Fix
Fix PowerShell Stuck on Startup in Windows 10
Teams Login Loop Fix: Clear Cache on Windows and Mac
How to Fix Windows Defender Error 0x80070422
Fix Common Chrome Problems on Windows
Fix PowerShell Migration Errors to Azure AD
Speed Up Outlook on Windows 10: Configuration Fixes
Fix Docker Desktop Hanging at Startup
How to Fix Token Expired in Command Prompt After Login
Outlook Permission Denied – Troubleshooting Guide
Remote Desktop Log File Location for Troubleshooting Connection Issues
Windows Search High CPU Registry Fix
Fix PowerShell Stuck on Startup in Windows 10
Teams Login Loop Fix: Clear Cache on Windows and Mac