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

Stop systemd Service from Restarting in a Loop

If you have a systemd service that keeps restarting repeatedly — sometimes every few seconds — it...

Fix Chrome Network Error: Proxy Settings Troubleshooting

If Chrome shows a network error like "ERR_PROXY_CONNECTION_FAILED" or "Unable to connect to the p...

Fix 'Module Not Found' in Python Virtual Environments

Fix Task Scheduler 'File Locked' or 'Access Denied' Errors

You set up a scheduled task to run a script or program, but it fails with 'File Locked' or 'Acces...

Fix Windows Update Error 0x80070002 – Cache Corruption

When Windows Update fails with error code 0x80070002, it often points to a corrupted download cac...

How to Backup Microsoft Teams Data Before Uninstall

If you need to uninstall Microsoft Teams—perhaps to fix a persistent issue or free up space—you'l...