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

How to Fix Windows Update Error 0x80070002

You click Check for updates and after a while get error 0x80070002. It usually means Windows Upda...

Windows Activation Cache: Location and How to Delete

If you're getting activation errors after a hardware change or a Windows update, a corrupted acti...

Fix Windows Terminal Permission Denied on Profile Settings

You open Windows Terminal, try to change a profile setting — maybe the font size, background imag...

Fix Microsoft Store Permissions Issue in Windows 10

Fix OpenVPN Permission Denied on Tun Device

When running OpenVPN, you might see an error like ERROR: Cannot open TUN/TAP dev /dev/net/t...