Fix 'PowerShell Not Recognized' Error on Windows
When you type powershell in Command Prompt or a script and see “powershell is not re...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender Can't Connect to Windows Update
If Windows Defender shows an error saying it cannot connect to Windows Update, it usually means t...
How to Reactivate an Expired Windows License
If you see a "Windows license expired" or "Windows activation required" watermark, your copy of W...
Microsoft Store Sync Issues Between Devices: Fixes That Work
You buy an app on one Windows PC, but it doesn't show up on another. Or your game saves, settings...
Windows Activation on Ubuntu: Troubleshooting Checklist
If you're running Windows in a virtual machine or dual-boot with Ubuntu and activation fails, the...
How to Fix BitLocker SSL Certificate Error Permission Denied
You might see a "permission denied" error when BitLocker tries to validate an SSL certificate for...
Topic paths
Quick titles
Outlook Mac Calendar Not Syncing TroubleshootingChange Remote Desktop Port via RegistryResolve Windows Activation Error 0x80070005How to Fix Chrome Profile 404 ErrorTroubleshoot Chrome Sync Issues for Multiple ProfilesTerminal vs Command Prompt on Mac: Key Differences and UsageHow to Fix Windows Update Rate Limit ErrorReset SoftwareDistribution Folder to Fix Token Expired Error