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

MongoDB Authentication Failed Error 18: Causes and Fixes

When you see MongoDB AuthenticationFailed (error code 18), it means the server r...

Fix PowerShell Remote Connection Refused Error

Fix High PowerShell Memory Usage in Windows 10

If you notice that PowerShell is consuming a large amount of memory (say, over 500 MB or more), i...

How to Fix Remote Desktop Protocol Version Mismatch

You try to connect to a remote PC and get an error like “This computer can’t connect to the remot...

FFmpeg Audio Delay Correction: Sync Audio and Video

If you've ever played a video where the audio lags behind or leads the picture, you're dealing wi...

Fix Windows Defender Error 0x80073b01

If you see error code 0x80073b01 when opening Windows Defender or trying to run a scan, it usuall...