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

MongoDB Authentication Failed: Setup Guide and Fixes

If you're seeing 'Authentication failed' when trying to connect to MongoDB, you're not alone. Thi...

Fix pnpm Store Permission Denied When Using nvm Node Version

You're running pnpm and hit a Permission denied error on the store directory, especi...

Windows Server Activation Error 0xc004f074: Fixes and Checks

If you see error 0xc004f074 when activating Windows Server, it usually means the Key Management S...

Fix PowerShell Remote Connection Refused Error

Fix PowerShell Blank Screen on Windows 11

If you open PowerShell on Windows 11 and see nothing but a blank window—no prompt, no text—the sh...

Fix Windows Activation Error 0x8007000d Connection Refused

When you see Windows activation error 0x8007000d with a message like connect...