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

Fix Windows Security High Memory Usage (MsMpEng.exe)

You open Task Manager and see Windows Security (the process is MsMpEng.exe) using 500 MB or more ...

How to Fix Cloudflare DNS Not Resolving Error 1016

If you're seeing error 1016 when trying to reach a site behind Cloudflare, it means the DNS looku...

Fix Windows Defender Update Error 0x80070643

You try to update Windows Defender and see error 0x80070643. This usually means a Windows Update ...

Fix Outlook DNS Error: DNS Server Not Responding

When Outlook fails to connect to your email server and displays a DNS error like 'DNS server not ...

Fix Command Prompt Memory Leak: Step-by-Step Guide

If Command Prompt (cmd.exe) consumes more memory over time, eventually slowing your system or cau...

How to Fix Command Prompt Rate Limit Error on Network