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

Fix 'Authentication Failed' Error in Net Use Command

When you run net use to map a network drive and get 'System error 1326: Logon failur...

How to Fix Chrome SSL Certificate Error After Update

Resolve 502 Bad Gateway Using Command Line Tools

A 502 Bad Gateway error means a server acting as a gateway or proxy received an invalid response ...

Fix Chrome Profile Connection Refused Error

You open Chrome and see "Connection refused" or "ERR_CONNECTION_REFUSED" for every site, or only ...

Change Windows Update Port to Fix 'Already Allocated' Error

When you see "port already allocated" during Windows Update, it usually means an...

Fix Windows Security Update Error 0x800f0922

If you see error 0x800f0922 when installing Windows security updates, it usually means the update...