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

How to Fix PowerShell Blank Screen on Startup

When PowerShell opens to a blank screen with no prompt or output, the shell is usually loading a ...

How to Fix Windows Terminal Rate Limit Error

If you see a rate limit error in Windows Terminal—often appearing as 'HTTP 429 Too Many Requests'...

Fix Command Prompt Blank Screen When Typing Commands

You open Command Prompt, start typing, and nothing appears—no characters, no cursor movement, jus...

Outlook Authentication Failed After Password Change: How to Fix

You changed your account password, and now Outlook keeps prompting for credentials or shows 'auth...

Fix OneDrive Connection Refused Error 0x8004de40

You see OneDrive error 0x8004de40 with the message "Connection refused." This often happens when ...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...