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

How to Release a File Lock from a PowerShell Script

When a PowerShell script leaves a file locked—perhaps due to an incomplete read/write operation o...

How to Fix '404 Not Found' File Path Errors in CMD

Fix Windows Search Indexing Error 0x80070005

When Windows Search indexing stops with error 0x80070005, it usually means the indexing service c...

Fix OBS Black Screen but Audio Works: Step-by-Step Guide

If OBS Studio shows a black screen in your source preview or stream but audio is working fine, yo...

BitLocker 502 Bad Gateway Error: Causes and Fixes

You're trying to manage BitLocker via the web console or a recovery key portal, and instead of th...

Ubuntu Windows Security Compatibility Troubleshooting Guide

If you run both Ubuntu and Windows on the same machine—either in a dual-boot configuration or thr...