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

Checklist for Windows Security Module Errors

When Windows Security (formerly Windows Defender) throws module errors, you might see messages li...

Postgres Password Authentication Failed: A Practical Checklist

You're connecting to PostgreSQL and get 'password authentication failed for user'. This is a comm...

Fix Windows Search Error 0x80070490: Version Mismatch

If you see error 0x80070490 when searching in Windows, it usually means a component version misma...

Fix PowerShell Port Already Allocated Error 0x80072746

When running a PowerShell script or cmdlet that tries to start a network listener, you may see er...

Fix Windows Defender File Locked During Scan

You run a Windows Defender scan and it reports that a file is locked and can't be scanned. This i...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...