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

How to Fix Windows Activation Login Loop

You sign in to Windows, but instead of your desktop, you see the activation screen again—over and...

How to Reset Command Prompt Color and Font Settings

If your Command Prompt text is hard to read, colors look off, or the font has changed unexpectedl...

Fix SQLite Database Locked on Android: Practical Steps

If you're seeing 'android.database.sqlite.SQLiteDatabaseLockedException: database is locked' or s...

Fix Windows Defender Service Not Starting (Connection Refused)

When you see 'Windows Defender service not starting – connection refused', it usually means the s...

How to Fix Outlook 502 Bad Gateway Error

When you see a 502 Bad Gateway error in Outlook, it usually means the server rec...

Fix NVM Not Found in Git Bash on Windows