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

Windows Security 404 Not Found: Setup and Fix Guide

When you open Windows Security (formerly Windows Defender) and see a blank page or a '404 Not Fou...

Fix Windows Update Error 0x800f0986 in PowerShell

When running Windows Update via PowerShell, error 0x800f0986 usually appears as "The source files...

Fix Outlook Proxy Error After Windows Update

After a Windows update, some users see a proxy error in Outlook—something like “Cannot connect to...

Chrome Profile Unable to Create New User Fix

When Chrome refuses to create a new user profile, you typically see an error message like "Unable...

Fix "Command Prompt Module Not Found Permission Denied"

You type a command like python or npm in Command Prompt and get an erro...

How to Fix Chrome Profile Slow Performance

Common Causes of a Slow Chrome Profile

If Chrome feels sluggish only when you’re signed i...