Knowledge base for software setup, errors, and daily tool work.

Set Up Static DNS in Windows 11 Using Command Prompt

If you need to switch from automatic DNS to a static DNS server (like Google's 8.8.8.8 or Cloudfl...

Fix OneDrive Sync Connection Refused Error

You open OneDrive and see a 'Connection refused' error. Your files aren't syncing, and the OneDri...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

How to Add Folder Exclusions in Windows Defender

If Windows Defender is slowing down your workflow or flagging a trusted application, you can excl...

Fix PowerShell Profile Causing Blank Screen at Startup

You open PowerShell, see a blank screen with no prompt, and the window appears frozen. This usual...

Fix 'Port Already Allocated' Error in Windows Defender on Windows 10

You may see an error like "Windows Defender Firewall cannot use port X because it is already allo...