Fix 'Command Not Found' and 'Permission Denied' Errors in Windows Command Prompt
You type a command in Command Prompt and get 'command' is not recognized or Ac...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix High CPU Usage by Antivirus Scanning PowerShell
If you notice that PowerShell (powershell.exe or pwsh.exe) is using high CPU, and you have an ant...
Fix Port Already Allocated for Task Scheduler Service
You try to start a service using Task Scheduler, but get an error that the port is already alloca...
Fix Microsoft Store App Version Mismatch Errors
You open a Microsoft Store app and get an error about a version mismatch, or the app won't start ...
Fix OneDrive Authentication Failed in Office 365
You see "OneDrive authentication failed" when signing into Office 365. This usually means OneDriv...
Fix Windows Security Not Starting Automatically After Boot
You boot your PC and notice Windows Security (formerly Windows Defender) isn't running. The icon ...
Topic paths
Quick titles
Troubleshooting Chrome Profile Loop and Gmail SyncHow to Fix OneDrive Firewall BlockingHow to Fix Chrome Profile Error: Step-by-Step GuideMicrosoft Teams Configuration Checklist for AdministratorsHow to Fix CHKDSK Access Denied ErrorHow to Fix Windows Search Indexer Version MismatchResolve OneDrive SSL Certificate Error After UpdateCommand Prompt Troubleshooting Checklist for Windows