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

How to Fix Windows Search High Memory Usage

If Windows Search is using excessive memory (often 500 MB or more in Task Manager), it can slow d...

Fix Windows Activation Stuck on Activating Screen

You're trying to activate Windows, but the activation screen just sits there saying "Activating" ...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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

Fix Microsoft Teams Authentication Failed Error

You open Microsoft Teams, try to sign in, and get an 'Authentication failed' error. This usually ...

How to Clear DNS Cache in Windows 10 via Command Prompt

If you're seeing outdated website content, getting DNS errors, or websites won't load after chang...

Fix Remote Desktop Connection 404 Error in IIS

When you try to connect to Remote Desktop Web Access (RD Web Access) through IIS, you may see a 4...