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

Windows Security App Missing After Update: How to Fix

After a Windows update, you might find the Windows Security app missing from the Start menu or sy...

How to Resolve Port Conflicts Using Command Prompt

If you see an error like "port already in use" or "address already in use" when starting a server...

Chrome Bypass Proxy for Local Addresses: How to Fix

If you're using a proxy in Chrome and notice that local addresses (like localhost, <...

Fix Chrome Update Error 12 on Windows 10

If you see "Update failed (error: 12)" when trying to update Google Chrome on Windows 10, the upd...

Fix Windows Defender Service Authentication Failed Error

You might see the error 'Windows Defender service authentication failed' when trying to open Wind...

Fix Office 365 Token Expired Error in CMD