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

OneDrive Selective Sync Setup Guide: Save Space & Control Folders

If your OneDrive folder is taking up too much local disk space, or you only need certain folders ...

Fixing Dependency Conflict and Windows Defender Error 0x8007042c

If you see error 0x8007042c when trying to open Windows Defender or run a security scan, it's oft...

How to Fix High Memory Usage by cmd.exe

If you notice that cmd.exe is using a lot of memory—sometimes hundreds of megabytes—it's usually ...

Fix Command Prompt Service Unavailable After Update