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

How to Fix Cloudflare 525 Error: Origin Server Troubleshooting

Cloudflare 525 error means the SSL handshake between Cloudflare and your origin server failed. Th...

Fix Windows Activation slui.exe Not Opening

When you try to activate Windows using the Settings app or a command, slui.exe (Software Licensin...

Fix Windows Defender Error 0x800106ba: Failed to Start

If you see “Windows Defender failed to start” with error code 0x800106ba, the Windows Defender se...

How to Fix Task Scheduler Proxy Error

If you see a proxy error when running a scheduled task, it usually means the task cannot reach th...

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

How to Fix Windows Security Rate Limit Error

You may see a Windows Security rate limit error when trying to open the app or run a scan. This o...