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

Fix Microsoft Store 502 Bad Gateway by Clearing Cache

You open Microsoft Store and see a 502 Bad Gateway error. This usually means the...

Systemd Service Failed to Start: Journalctl Log Analysis Guide

You run systemctl start myservice and get a generic failure message. The service doe...

Fix Task Scheduler Not Starting After Reboot

If your scheduled tasks stop running after a reboot, the Task Scheduler service may not be starti...

How to Fix 'ERR_TUNNEL_CONNECTION_FAILED' on Chrome for Mac

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome on your Mac, it usually means ...

Fix GitHub Actions Cache Action Permission Denied Error

Fix Windows Update Error 0x80070005 Access Denied

You see error 0x80070005 when trying to install updates. The message says "Access Denied." This u...