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

Fix Microsoft Store Error by Changing DNS Settings

If the Microsoft Store won't load, shows error 0x80131500, or fails to download apps, a DNS issue...

Fix Gradle Build: Could Not Find or Load Main Class

When a Gradle build fails with Could not find or load main class, it usually means t...

How to Fix Windows Defender Cache Not Clearing

If you've noticed that Windows Defender isn't releasing disk space after a scan or that the cache...

BitLocker Backup Not Working on Windows 11: Fixes

You enable BitLocker on Windows 11, but when you try to back up your recovery key to a Microsoft ...

Fix PowerShell Remote Connection Refused Error

How to Schedule Tasks in Ubuntu Using Systemd Timers

You've probably used cron for scheduling tasks, but systemd timers offer more flexibility and bet...