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

Fix Windows Defender Blank Screen After Update

After a recent Windows update, you may open Windows Security (Windows Defender) and see a blank w...

Fix BitLocker Permission Denied Error 0x80070005

You try to enable BitLocker or change its settings, and get a "Permission denied" error with code...

Fix Windows Update 502 Bad Gateway Due to DNS Configuration

If you see a '502 Bad Gateway' error when running Windows Update, the problem is often on the net...

How to Fix Chrome Extensions Not Loading After Update

After a Chrome update, you might find that some or all of your extensions have stopped working—th...

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

Fix Microsoft Store Error 0x80070424: Update Failed

When you see error 0x80070424 while trying to update an app in the Microsoft Store, it usually me...