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

Fix Windows Update Error 0x80070020: File Locked

You try to install Windows updates but get error 0x80070020. This usually means another program o...

How to Fix Microsoft Store Stuck in Login Loop on Windows 11

You open Microsoft Store on Windows 11, try to sign in, and it keeps asking for credentials again...

Fix VirtualBox Kernel Driver Not Installed on Windows 10

Fix Chrome File Locked by User Account Control

You open Chrome and get a message that a file is locked by User Account Control (UAC). This usual...

How to Run Command Prompt as Administrator When Access Denied

You need to run Command Prompt with administrator privileges, but you get an 'access denied' erro...

Fix Chrome Crashing on Startup in Safe Mode

If Chrome crashes immediately when you open it, and even safe mode doesn't help, you're dealing w...