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 Windows Update Service After Antivirus Install

You installed a new antivirus program, and now Windows Update won't run. The service might be dis...

Windows Security Access Denied Troubleshooting Checklist

You try to open a file or run a program, and Windows tells you access is denied. This usually com...

Fix OneDrive Authentication Failed in Office 365

You see "OneDrive authentication failed" when signing into Office 365. This usually means OneDriv...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Fix WinSCP Permission Denied Publickey Authentication

When connecting to a remote server with WinSCP using SSH public key authentication, you may see t...