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

Fix Chrome DNS Error Using chrome://net-internals

If you see a DNS error in Chrome—like "ERR_NAME_NOT_RESOLVED" or "DNS_PROBE_FINISHED_NXDOMAIN"—th...

Fix Windows Activation Error 0xc004c003 Without Internet

You see error 0xc004c003 when trying to activate Windows, and your device either has no internet ...

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix OneDrive High CPU and Memory Usage

OneDrive can sometimes consume excessive CPU and memory, slowing down your system. This usually h...

Fix Windows Search Blank Screen When Clicking Start Menu

If clicking the Start menu shows a blank search screen instead of the usual results and apps list...

Reset Windows Security Using PowerShell: Step-by-Step

When Windows Security stops opening, shows blank pages, or fails to update, a full reset using Po...