Fix 'Not Recognized as Internal or External Command' Error
You type a command in Command Prompt and see "'command' is not recognized as an internal or exter...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Error 0x80073712 Without Resetting Your PC
Error 0x80073712 typically appears during Windows Update when a required component is missing or ...
Fix Chrome Crashes When Opening PDF Files
You click a PDF link in Chrome and the browser freezes or closes entirely. This is a known issue ...
Fix BitLocker Error 0x8031004b After Settings Reset
If you see error 0x8031004b when trying to unlock or enable BitLocker after a settings reset, it ...
How to Fix Windows Defender 502 Bad Gateway Error
If you see a '502 bad gateway' error in Windows Defender, it usually means the security service c...
How to Fix Cloudflare SSL Flexible Redirect Loop Error
If you're using Cloudflare's SSL/TLS setting set to Flexible, you may run into a redirect loop er...
Topic paths
Quick titles
Fix OneDrive Access Denied on New FilesOneDrive 0x8004de40 Cannot Connect to ServerCommand Prompt Log File Location Changed After Update – FixCommand Prompt Cache Cleanup StepsFixing 'Permission Denied' When Downloading Chrome Profiles on Windows 10Resolve Git Pull Merge Conflicts: Error Code 1 FixPowerShell Authentication Failed Error: How to FixFix Windows Store Error 0x80073cf9 Permission Denied