Check Which Application Is Using Remote Desktop Port (3389)
When you try to start Remote Desktop and get an error that the port is already in use, something ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'imagemagick convert not recognized' on Mac Terminal
You installed ImageMagick but when you type convert in Terminal, you get comma...
Windows Security Not Scanning for Viruses: How to Fix
If Windows Security (formerly Windows Defender) is not scanning for viruses, you may see an error...
Fix Windows Security High Memory Usage
You open Task Manager and see Windows Security (or Antimalware Service Executable) using 500 MB o...
How to Fix Windows Defender DNS Error
You open Windows Security and see a message like "DNS server is not responding" or "Your IT admin...
How to Fix Windows Update Stuck on Checking for Updates
If your Windows Update has been stuck on 'Checking for updates' for more than 15 minutes, you're ...
Topic paths
Quick titles
Troubleshooting Edge Update Failure 0x80072effPowerShell Authentication Failed Error: How to FixResolving Chrome Sync Log File ErrorsEnable PowerShell Remoting with WinRM Quick SetupFix Outlook Authentication Error During SetupSSH Public Key Auth Failure: Fix ItPowerShell Not Recognized as Internal or External Command FixWindows Search Blank No Results Troubleshoot