How to Fix 'Command Not Found' in Command Prompt
You type a command in Command Prompt and get 'xxx' is not recognized as an internal or exte...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Search Invalid Configuration Error
If you see a message saying "Windows Search has encountered an invalid configuration" or search s...
Fix Chrome Profile 502 Bad Gateway on Mac
If you see a "502 Bad Gateway" error in Chrome on your Mac, especially after a crash or update, i...
Fix Outlook Connection Refused Error 0x80040115
Outlook error 0x80040115 usually appears as "Connection refused" or "Cannot start Microsoft Outlo...
Windows Search Indexer Log File Location: How to Find and Read Logs
If Windows Search stops working, files don't appear in search results, or indexing seems stuck, t...
How to Fix Outlook Configuration Errors
Outlook configuration errors typically appear when the app cannot connect to your email server. Y...
Topic paths
Quick titles
Resolve BitLocker 0x80072f8f on WindowsRemote Desktop 404 Not Found: Post-Update FixHow to Fix Task Scheduler 'Command Not Found' IssueFix ipconfig flushdns Not WorkingHow to Reset Rate Limit in CMDResolve Remote Desktop 404 After Windows UpdateTroubleshooting MongoDB Authentication and Permission IssuesWindows Security Service Unavailable Error Fix