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

Fix Windows Defender Port Already Allocated Error

When you see the error 'port already allocated' related to Windows Defender, it usually means ano...

Fix Windows Security Service Unavailable in Windows 11

You open Windows Security and see a red banner: 'Security service unavailable. Restart your devic...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

How to Fix Go Modules Proxy Timeout Error

When running go build, go get, or go mod download, you mig...

Windows Security Troubleshooting Guide

Windows Security (formerly Windows Defender) usually runs quietly in the background, but sometime...

Firefox Not Responding? Try Safe Mode Troubleshooting Steps

If Firefox stops responding—freezing, crashing, or refusing to load pages—it's often due to a con...