Fix 'Not Recognized as Internal or External Command' Error
If you type a command like python, npm, or java in Command...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security Path Not Found Error
When you try to open Windows Security (formerly Windows Defender Security Center) and see a messa...
Fix Windows Update Token Expired Error 0x80070057
You see error code 0x80070057 when trying to run Windows Update, often with a message about a tok...
Fix Windows Update Cannot Connect to Microsoft Servers
You see the error 'Windows Update cannot connect to Microsoft servers' and updates won't download...
Fix PowerShell DNS Resolution Failed Error
If you see DNS resolution failed when running a PowerShell command that tries to con...
Fix 'Task Scheduler Command Not Found' When Running Script
You set up a batch or PowerShell script in Task Scheduler, but when it runs, you see "command not...
Topic paths
Quick titles
How to Resolve OneDrive Pending Status on MacHow to Fix SSL Protocol Error in Chrome: Connection RefusedChrome Profile Not Syncing After Cache Clear: FixesFix Ubuntu APT Lock Error: Unlock Package ManagerHow to Unlock BitLocker Drive When Password FailsTeams Update Hangs on Downloading: Troubleshooting GuideHow to Start or Restart Task Scheduler ServiceHow to Fix 404 Not Found Error in CMD