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

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

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

Chrome Browser Setup Checklist for Ubuntu

Setting up Chrome on Ubuntu seems straightforward, but a few steps often trip people up. This che...

Fix Error 0x80070643 Windows Update Permission Denied

You see error 0x80070643 when trying to install Windows updates, often accompanied by a message a...

Fix Windows Activation Blocked by Proxy Server

If Windows activation fails with an error like “We can’t activate Windows on this device because ...

Fix 'Outlook Data File Cannot Be Accessed' Error in Outlook 365

You open Outlook 365 and get the message: 'Outlook data file cannot be accessed.' This usually me...

How to Fix Chrome Profile SSL Certificate Errors

If Chrome suddenly shows NET::ERR_CERT_COMMON_NAME_INVALID or Your conne...