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

Fix Windows Defender Error 0x80073b01

If you see error code 0x80073b01 when opening Windows Defender or trying to run a scan, it usuall...

Fix Microsoft Teams Screen Sharing Not Working

You start a meeting, click Share, and nothing happens—or attendees see a black screen. This is a ...

Fix Windows Terminal High CPU Usage: Practical Steps

You open Task Manager and see Windows Terminal using 20–40% CPU even when idle. This usually poin...

PowerShell Command Not Found but Works in CMD

Windows Defender Real-Time Protection Won't Turn On: Fixes

You open Windows Security, toggle real-time protection on, but it slides back to off. This is a c...

Windows Update Cleanup Stuck? Check Disk Space First

You run Disk Cleanup to remove Windows Update temporary files, but the progress bar sits at 0% or...