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

How to Fix PowerShell 502 Bad Gateway Error

When you run a PowerShell command that calls a web service (like Invoke-RestMethod o...

Checklist to Identify Chrome Dependency Conflicts

You open Chrome and it crashes, shows a white screen, or throws an error like "STATUS_INVALID_IMA...

Fix Command Prompt High CPU Usage on Windows 7

If you notice your Windows 7 system slowing down and Task Manager shows cmd.exe using high CPU, i...

Fix Task Scheduler Error 0x80070020: Port Already in Use

When you see error 0x80070020 in Task Scheduler with the message "port already in use," it usuall...

How to Disable Windows Defender Permanently

Windows Defender (now Microsoft Defender Antivirus) is enabled by default in Windows 10 and 11. W...

Fix BitLocker 'Cannot Access Drive Permission Denied' Error

Understanding the Error

You see 'Cannot access drive. Permission denied' when trying to o...