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

Fix Command Prompt Blank Screen When Typing Commands

You open Command Prompt, start typing, and nothing appears—no characters, no cursor movement, jus...

How to Reinstall the Windows Security App (Microsoft Defender)

If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...

Windows Terminal Invalid Configuration: Restore Default Settings

If Windows Terminal fails to start or shows an error about invalid configuration, the problem is ...

Fix Task Scheduler Error 101: Failed to Start

You see Event ID 101 in the Windows Event Viewer under TaskScheduler, and the task didn't run. Th...

Fix Chrome Profile Port Already Allocated Error

How to Start Redis Server After Installation on Windows

After installing Redis on Windows, you might be unsure how to actually start the server. This gui...