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

Windows Security Troubleshooting Guide

Windows Security (formerly Windows Defender) usually runs quietly in the background, but sometime...

Fix Outlook Invalid Configuration Settings Not Working

You open Outlook and see an error about invalid configuration settings. The program may fail to s...

How to Fix BitLocker Crashes After a Windows Update

If BitLocker starts crashing or showing errors right after a Windows update, you're not alone. Th...

Fix Windows Security Authentication Error 0x80070035

How to Remove the Ubuntu dpkg Lock File

When you see an error like 'E: Could not get lock /var/lib/dpkg/lock' or 'E: Unable to lock the a...

Fix Chrome Token Expired After Browser Update

After a Chrome update, you might see messages like "token expired" or get logged out of websites....