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

Windows Defender Real-Time Protection Won’t Turn Off: Fixes

You go into Windows Security, toggle off real-time protection, and within a few minutes it’s back...

How to Set Up Windows Search in a Ubuntu VM

If you run a Windows virtual machine inside Ubuntu (using VirtualBox, VMware, or KVM) and need Wi...

How to Fix Windows Security Auto Start Disabled

If you notice that Windows Security (formerly Windows Defender) isn't starting automatically with...

Fix Windows Security Authentication Error 0x80070035

Fix Remote Desktop Backup Restore Permission Denied

When restoring a remote desktop backup, you might see a 'permission denied' error even though you...

Fix Windows Search Not Working in File Explorer

You open File Explorer, type a filename or keyword into the search box, and nothing happens — or ...