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

Fix Microsoft Store Not Launching from Start Menu

You click the Microsoft Store icon in the Start Menu, but nothing happens—no window, no error. Th...

Fix Chrome SSL Certificate Error NET::ERR_CERT_COMMON_NAME_INVALID

You're browsing a site and Chrome blocks it with NET::ERR_CERT_COMMON_NAME_INVALID. ...

How to Locate Task Scheduler History Log in Windows 10

If you've set up scheduled tasks in Windows 10 and they're not running as expected, the Task Sche...

Fix Windows Defender Auto Start Not Working in Windows 10

If you find that Windows Defender isn't starting automatically when you boot Windows 10, your sys...

Fix PowerShell Authentication Failed Credentials Error

Fix Outlook Connection Refused Error 0x80040115

Outlook error 0x80040115 usually appears as "Connection refused" or "Cannot start Microsoft Outlo...