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

Fix Windows Update Authentication Failed in Enterprise Setup

When Windows Update fails with an authentication error in an enterprise setup, it often means the...

How to Fix Windows Defender Version Mismatch on Windows 10

You might see an error saying Windows Defender has a version mismatch, or the app won't open beca...

Fix PowerShell 502 Bad Gateway in IIS: Step-by-Step

A 502 Bad Gateway error in IIS typically means a downstream server or application pool failed. Wh...

Fix Windows Terminal Not Starting After Settings Reset

If you reset Windows Terminal settings and now the app won't start, you're likely stuck with a bl...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

How to Use the OneDrive Sync Dependency Conflict Repair Tool

If OneDrive stops syncing with errors like "Action needed" or "Sync pending", a dependency confli...