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 listChrome Browser Troubleshooting Guide for Ubuntu
If Chrome is crashing, running slowly, or not launching at all on Ubuntu, a few targeted checks c...
Fix Windows Activation File Locked Registry Issue
You try to activate Windows, but get an error saying the activation file is locked or the registr...
Fix 'Running Scripts Is Disabled' Error in PowerShell
When you try to run a PowerShell script and see 'running scripts is disabled on this syst...
How to Fix BitLocker Connection Refused Errors
If you see a 'connection refused' error when trying to enable BitLocker or access a BitLocker-pro...
Fix Chrome Profile Module Not Found After Update
After a Chrome update, you might see the error "Profile module not found" or "The profile module ...
Topic paths
Quick titles
Resolve Windows Activation Module Not FoundHow to Increase FileZilla FTP Server Timeout SettingsTroubleshoot Windows Update Error 0x80070002 on UbuntuWindows Activation Stuck and PC Slow: Fix GuideTerminal vs Command Prompt on UbuntuBitLocker Setup Stuck on Encrypting Drive – Fixes That WorkResolve Windows Search Access Denied with Group PolicyFix Windows Security Invalid Configuration Sync Error