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

Fix Command Prompt Slow After Windows 11 Update

After a Windows 11 update, you might notice Command Prompt takes several seconds to open or feels...

Fix Windows 10 Task Scheduler High Memory Usage

If you notice that Task Scheduler (taskhostw.exe or TaskScheduler.dll) is using an unexpectedly h...

Fix Windows Store Error 0x80073cf9: Clear Cache & Repair

You try to install or update an app from the Microsoft Store, and you get error 0x80073cf9. Usual...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

UFW Allow Port Range Not Opening: Fixes and Checks

If you've added a UFW rule to allow a range of ports but connections are still being blocked, the...

Fix OneDrive Sync Error 0x8004de40 on Windows

OneDrive sync error 0x8004de40 usually appears when you try to sign in or sync files. The error m...