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

GitLab Runner Stuck Pending: Fix Docker Executor Issues

You see a job stuck in "pending" status in GitLab CI/CD. The runner is registered and shows onlin...

Fix PowerShell Version Mismatch with Azure Modules

If Azure PowerShell modules fail to load or produce cryptic errors, a version mismatch between Po...

Fix Windows Update Cleanup Tool Not Working Error

You run Disk Cleanup, select Windows Update Cleanup, and nothing happens—or it fails with an erro...

Command Prompt Opens and Closes Immediately: Fixes

You double-click Command Prompt (cmd.exe) and a black window flashes on screen—then disappears. T...

Fix Windows Defender Error 0x80070422: Step-by-Step Guide

Windows Defender error 0x80070422 usually appears when you try to open Windows Security or run a ...

MongoDB Authentication Failed: Administrator Checklist