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

MySQL Connection Refused on Port 3306: Causes and Fixes

If you're seeing "connection refused" when trying to connect to MySQL on port 3306, the MySQL ser...

Fix Windows Update 404 Not Found Error: Practical Steps

When Windows Update returns a 404 Not Found error, it usually means the update server can't locat...

Install NuGet Provider Manually Without Internet

How to Fix Windows Defender Blocked by Group Policy

When you try to open Windows Defender and see a message like "This app is blocked by group policy...

Fix Windows Terminal Error 0x80070002: Dependency Conflict

When launching Windows Terminal, you might see error code 0x80070002, often accompanied by a mess...

How to Enable Windows Defender via Command Prompt

If Windows Defender is disabled on your system—often due to group policy, third-party antivirus, ...