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

Fixing PowerShell Authentication Failed Due to Certificate Errors

When PowerShell commands fail with "Authentication failed" and mention certificates, the issue is...

Fix Windows Defender Invalid Configuration After Update

After a Windows update, you might open Windows Security and see a yellow warning: "Invalid config...

Chrome Browser Proxy Error Fix Checklist

If Chrome shows "ERR_PROXY_CONNECTION_FAILED" or similar proxy errors, you usually can't browse t...

How to Fix GitLab Runner Stuck in Pending State

You push a commit, the pipeline starts, but the job sits in "pending" status indefinitely. This u...

BitLocker 502 Bad Gateway Error: Causes and Fixes

You're trying to manage BitLocker via the web console or a recovery key portal, and instead of th...

Fix Windows Terminal Permission Denied File Locked Error