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

Fix Windows Search Rate Limit Error via Registry

You might see a "Search rate limit exceeded" or similar error when using Windows Search frequentl...

How to Fix WinRAR Checksum Error in Downloaded Files

You downloaded a file, but when you try to extract it with WinRAR, you get a checksum error. This...

Certbot Renewal Failed Due to Nginx Configuration: How to Fix

Fix Microsoft Store Version Mismatch: Setup Guide

You try to install or update an app from the Microsoft Store and get a version mismatch error. Th...

Fix Windows Security Service Not Starting Error

You click the Windows Security icon, but it doesn't open. Or you see an error saying the service ...

How to Fix Windows Defender File Locked Error 0x80070020

Error 0x80070020 often appears when Windows Defender (Microsoft Defender Antivirus) is scanning a...