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

Fixing WinRAR Checksum Errors When Extracting RAR Archives

You're extracting a RAR archive and WinRAR stops with a "checksum error" message. This usually me...

How to Fix High Memory Usage by Command Prompt (cmd.exe)

You open Task Manager and see that Command Prompt (cmd.exe) is using 500 MB or more of RAM. That'...

Setup Remote Desktop Credentials for a Domain User

When you try to connect to a remote Windows machine using Remote Desktop (RDP) and you're a domai...

Reset Microsoft Store Using wsreset Command

How to Clear Windows Update Cache for Faster Installation

If Windows updates are taking forever to download or install, or if they keep getting stuck at a ...

Fix Windows Security Certificate Error in Outlook 365

You open Outlook 365 and see a security certificate warning: "There is a problem with the proxy s...