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

Reduce Command Prompt Memory Usage: Practical Steps

If you notice the Command Prompt (cmd.exe) consuming more memory than expected—sometimes hundreds...

How to Fix Chrome Backup Not Working

If your Chrome browser backup isn't working, you're not alone. This usually shows up as a sync er...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Windows Store Error 0x80073cf9 – Setup Guide

When you see error 0x80073cf9 in the Windows Store, it usually appears during app installation or...

Fix 502 Bad Gateway When Windows Search Not Working

You open Windows Search, type a query, and instead of results see a 502 Bad Gateway error. This u...

How to Fix PowerShell Unable to Connect to Proxy Server

When PowerShell fails to connect to a proxy server, you might see errors like Unable to con...