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

Fix Windows Security Proxy 504 Gateway Timeout Configuration

When Windows Security (Windows Defender) reports a 504 Gateway Timeout error through a proxy, it ...

Fix Outlook Connection Refused Error in IMAP Settings

When Outlook shows a "connection refused" error while setting up or using an IMAP account, it usu...

Fix Windows Defender Authentication Error from Corrupted System Files

You open Windows Defender and see an authentication failed error. This often happens after a fail...

Fix VirtualBox Kernel Driver Permission Denied on Linux

Fix Windows Login Loop with CMD Repair Tool

You log in, see the desktop for a second, and get kicked back to the lock screen. This Windows lo...

Fix Outlook Module Not Found Error on Windows 10

You open Outlook on Windows 10 and see an error like "Outlook module not found" or a missing DLL ...