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

MongoDB Authentication Failed Error 18: Causes and Fixes

When you see MongoDB AuthenticationFailed (error code 18), it means the server r...

Fix Windows Update High Memory Usage When Not Working

You open Task Manager and see Windows Update using 50% or more of your RAM, while updates are stu...

Fix Docker Volume Permission Denied on Ubuntu

You mount a volume in Docker on Ubuntu, but the container can't write to it. The error often says...

Fix Microsoft Store Auto-Start Not Working After Windows Update

After a Windows update, you may notice that apps from the Microsoft Store no longer start automat...

How to Fix Git Fatal Repository Not Found Error

How to Repair Corrupted Task Scheduler Files in Windows

If your scheduled tasks are not running, throwing errors like “The task image is corrupt or has b...