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

GitLab Runner Stuck in Pending: Log Analysis Guide

When a GitLab Runner shows jobs stuck in "pending" status, it usually means the runner is registe...

Fix BitLocker Ubuntu Mount Drive Error

When you plug a BitLocker-encrypted drive into Ubuntu, you may see an error like "Error mounting ...

How to Fix Windows Security Blank Screen Issue

When you open Windows Security and see nothing but a blank white or gray screen, it's usually cau...

Fix OneDrive Sync Fails with 504 Gateway Timeout Configuration

You start OneDrive sync and see a 504 Gateway Timeout error. This usually means the sync request ...

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

Setup Task Scheduler to Run Daily Backup

You need a reliable daily backup, but manually copying files every day is error-prone and easy to...