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

How to Fix Windows Update Error 502 Bad Gateway

Windows Update may show a 502 Bad Gateway error when the update service cannot reach Microsoft's ...

Checklist for Fixing Command Prompt Startup Issues

If Command Prompt won't open, closes immediately, or shows an error on startup, the cause is ofte...

Fix Microsoft Teams Crashing When Sharing Screen

You're in a meeting, you click 'Share screen,' and Teams freezes or closes entirely. This is a kn...

How to Fix Windows Terminal DNS Errors: Step-by-Step Guide

If you see 'DNS resolution failed' or 'Name or service not known' in Windows Terminal, the proble...

Fix CMD Service Unavailable Due to Group Policy

Situation

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

Fix BitLocker 'Permission Denied' on Encrypted Drive

You plug in a BitLocker-encrypted drive, enter the password, and get 'Access Denied' or 'Permissi...