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

Fix Command Prompt DNS Lookup Failed Error 0x80072ee7

Fix Windows Activation Error 0x803f7001 (Rate Limit)

You see error 0x803f7001 when trying to activate Windows. The message mentions a “rate limit.” Th...

Chrome Profile Sync Stuck After Cache Clear: Fixes

If you cleared Chrome's cache and now your profile sync is stuck, you're not alone. This often ha...

Fix OneDrive Sync Setup Login Loop on Windows

You set up OneDrive sync, but instead of finishing, it keeps sending you back to the login screen...

Fix Windows Update Pending Restart Not Showing Notification

You've installed Windows updates, but the usual restart notification in the system tray or Action...

Fix OBS Black Screen but Audio Works: Step-by-Step Guide

If OBS Studio shows a black screen in your source preview or stream but audio is working fine, yo...