Check If Your Windows License Is Retail or OEM
If you're troubleshooting activation issues or planning to transfer Windows to a new computer, kn...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Activation After Hardware Change
If you recently upgraded your PC's motherboard, CPU, or hard drive and now see “Windows is not ac...
How to Reinstall Microsoft Store Using PowerShell
If the Microsoft Store app is missing, won't open, or keeps crashing, you can reinstall it using ...
Fix Windows Update Error 0x80072efd: Connection Refused
When Windows Update fails with error 0x80072efd and a message that the connection was refused, it...
Fix Windows Search Not Finding Files After Migration
After moving files to a new drive or PC, Windows Search may stop returning results for those file...
Fix Microsoft Store 504 Gateway Timeout Not Loading
When you open Microsoft Store and see a 504 Gateway Timeout error, the app may not load at all. T...
Topic paths
Quick titles
Troubleshooting Conda Env Create with YAMLStop SearchIndexer.exe from Using 100% CPUResolve Rate Limit 0x80073cf0 in Microsoft StoreFix Windows Security Auto-Start Not Working After Updatenvm not recognized in Windows CMD or PowerShellFix Windows Defender Update Error 0x80070490 on Windows 11Fix Windows Defender File Locked During ScanResolve Windows Defender Error in Safe Mode