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

Fix 'Service Not Found' Error for Task Scheduler on Ubuntu

BitLocker Service Unavailable in Windows 10: Fixes That Work

You go to turn on BitLocker, but the option is grayed out or you get an error that the service is...

Fix Windows Defender Blank Screen in Windows 11

If you open Windows Security (Windows Defender) on Windows 11 and see only a blank or white scree...

Fix Windows Terminal Error 0x80070002 at Startup

If Windows Terminal fails to start and shows error code 0x80070002, it usually means the system c...

Fix 'Windows Defender Firewall Has Blocked' Error

You see a notification that Windows Defender Firewall has blocked an app or feature. This usually...

Microsoft Teams Audio Not Working: Step-by-Step Fixes

When Microsoft Teams audio stops working, you might hear nothing from a call, your microphone fai...