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

How to Fix High Memory Usage by Command Prompt (cmd.exe)

You open Task Manager and see that Command Prompt (cmd.exe) is using 500 MB or more of RAM. That'...

Fix VirtualBox Kernel Driver Not Installed on Ubuntu

When you try to start a virtual machine in VirtualBox on Ubuntu and see the error 'Kernel driver ...

Fix Windows Defender Rate Limit Errors After Update

If you see a rate limit error in Windows Defender after a recent update, it usually means the rea...

Fix 'Permission Denied' Errors in Windows Terminal

When you see "permission denied" in Windows Terminal, it usually means the system or a remote ser...

Fix OneDrive Error 0x8004de40 Rate Limit Issues

OneDrive error 0x8004de40 typically appears when you hit a temporary rate limit. This often happe...

How to Fix 'Microsoft Store Command Not Found' Error