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

Fix Windows Security Real-Time Protection Not Working

If you see a yellow warning in Windows Security that says "Real-time protection is off" or it tur...

How to Run Windows Security on a Mac

If you need to run Windows Security (formerly Windows Defender) on a Mac, you're likely trying to...

How to Fix OneDrive Access Denied Error 0x80070005

You try to open or sync a file in OneDrive and see "Access Denied" with error code 0x80070005. Th...

How to Reduce OneDrive Sync Cache Size

OneDrive can use a lot of local disk space for its sync cache, sometimes growing to tens of gigab...

How to Fix BitLocker Module Not Found or Permission Denied Errors

Fix Windows Defender SSL Certificate Errors After Update

After a Windows update, you might see SSL certificate errors in Windows Defender or other applica...