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

Fix GitHub Actions Cache Action Permission Denied Error

Fix Windows Defender Login Loop: Step-by-Step Guide

You sign in to Windows, but Windows Defender keeps asking for credentials in a loop. This guide c...

Fix Windows Security High Memory Usage

If you notice Windows Security (formerly Windows Defender) using excessive memory—sometimes hundr...

Fix Windows Update Stuck at 100% Not Finishing

You wait for a Windows update to finish, the progress bar hits 100%, and then nothing happens for...

Fix Windows Defender Version Mismatch with Configuration Tool

You might see a version mismatch warning when opening Windows Defender Security Center or running...

How to Resolve Port Conflicts Using Command Prompt

If you see an error like "port already in use" or "address already in use" when starting a server...