Fix Windows Activation Server Not Available Error
When you see the message "Windows activation server is not available" while trying to activate Wi...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Nginx Config Test Failure After Adding SSL Certificate
You added an SSL certificate to your Nginx server block, ran nginx -t, and got an er...
Fix VSCode Remote SSH Permission Denied for Known Hosts
You're trying to connect to a remote server via VSCode's Remote - SSH extension, but you get a 'p...
Fix Windows Search Sync Issues with Outlook
If your Windows Search stops finding Outlook emails, appointments, or contacts, the search indexe...
Fix 'Microsoft Store Module Not Found' Error on Reinstall
When you try to reinstall an app from the Microsoft Store, you might see an error like "module no...
Checklist for Fixing Windows Security Startup Failure
When Windows Security (formerly Windows Defender) fails to start at boot, you may see an error li...
Topic paths
Quick titles
How to Fix Windows Search Not Working in Windows 10Windows Security Page Not Found: How to FixFix OneDrive 502 Bad Gateway Error from Proxy SettingsFix Error 0xc004c003 via Command PromptSetup Windows Security to Resolve DNS IssuesStep-by-Step: Repair Windows Update via SFCMissing Files After Remote Desktop Backup RestoreTroubleshoot Windows Update Service Won't Run