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

FFmpeg Audio Out of Sync: Practical Fixes

You encoded a video with FFmpeg and now the audio is ahead or behind by a fraction of a second. T...

Fix Windows Defender Stuck on Loading Black Screen

If Windows Defender (Microsoft Defender Antivirus) hangs on a black screen with a spinning or fro...

Fix Remote Desktop Black Screen on Ubuntu

You connect to your Ubuntu machine via Remote Desktop (RDP or VNC) and see only a black screen. T...

Fix Microsoft Store Not Working After Windows Update

After a Windows update, you might find that the Microsoft Store won't open, apps fail to download...

Fix Maven Dependency Resolution Failed in Offline Mode