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

Remote Desktop Rate Limit Not Working: Fixes and Checks

You've set up a rate limit on your remote desktop service to prevent abuse, but connections still...

Fix Windows 10 Error 0xc004c003: Invalid Product Key

You see error 0xc004c003 during Windows 10 activation, with a message that the product key is not...

Fix 'OneDrive File Locked by Another User' Sync Stuck

You're trying to sync a file in OneDrive, but it's stuck and shows 'File locked by another user'....

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

Fix Windows Defender Login Loop: Step-by-Step Guide

You sign in to Windows, but Windows Defender keeps asking for credentials in a loop. This guide c...

Fix Go Modules Proxy Connection Refused on Setup

When you run go mod download or go build and see an error like co...