Setup Environment Variables to Fix Command Not Found
You type a command you know is installed, but the shell replies: command not found. ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listWindows Update High Memory Usage Troubleshooting Checklist
If your computer slows down or the fan runs loudly after starting Windows Update, high memory usa...
Fix 502 Bad Gateway When Windows Search Not Working
You open Windows Search, type a query, and instead of results see a 502 Bad Gateway error. This u...
How to Reactivate an Expired Windows License
If you see a "Windows license expired" or "Windows activation required" watermark, your copy of W...
How to Find Microsoft Teams Log Files for Troubleshooting
When Microsoft Teams won't connect, audio drops out, or the app freezes, the log files often cont...
Fix Windows Search Settings Not Saving Changes
You change a Windows search setting—like indexing options or search mode—but it reverts after clo...
Topic paths
Quick titles
Chrome Memory Leak Troubleshooting StepsFix Windows Search Missing Files When Using Ubuntu Dual BootFix Windows Defender Real-Time Protection Permission DeniedFix 'Cannot Connect to Exchange Online' in PowerShellMicrosoft Teams Not Opening? Try These FixesOneDrive Sync Error Authentication Failed GuideFix DNS Resolution Failure in Specific Chrome ProfileMicrosoft Store Download Stuck on Mac: Fixes