Practical fixes for tool errors, setup blocks, and workflow issues.

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Windows Update Proxy Errors After Network Change

If you recently switched networks—say, from a corporate VPN to a home Wi-Fi—and Windows Update no...

How to Fix Windows Security Authentication Failed Error

When you see the error 'Windows Security authentication failed' while trying to access a network ...

Windows Security Backup Configuration Guide

If you've opened Windows Security and found that your virus and threat protection settings aren't...

Fix Windows Search: Connection Refused, Service Not Running

If you see 'connection refused' or 'service not running' when using Windows Search, the search se...

How to Fix 502 Bad Gateway in Command Prompt

If you see a 502 Bad Gateway error while using command prompt—for instance when ...