How to Free Up a Port in Command Prompt (Windows)
When an application fails to start because a port is already in use, you need to free that port. ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix BitLocker Rate Limit Error on Windows 10
If you see a rate limit error when trying to unlock or manage a BitLocker drive on Windows 10, it...
Fix PowerShell Assembly Cache Not Updating
You’ve updated a .NET assembly in the Global Assembly Cache (GAC) or copied a new DLL into a modu...
How to Fix Outlook Login Loop Error
If you're stuck in an Outlook login loop—where it repeatedly asks for your password or keeps spin...
How to Increase Windows Search Rate Limit
If Windows Search stops returning results or feels slow, you might be hitting the internal rate l...
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...
Topic paths
Quick titles
Command Prompt Update Not Working? Try These FixesEdge Not Updating on Windows 10 TroubleshootingResolve Error 0x80072efd in Windows StoreTroubleshooting BitLocker Invalid Configuration ErrorBitLocker File Locked: Troubleshooting ChecklistResolve PowerShell Service Unavailable on WindowsHow to Resolve OneDrive Sync Permission Errors Post-MigrationHow to Fix Error 0x8007232b by Clearing Activation Cache