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

Fix Microsoft Store Error 0x80070424 on Windows 10

When you try to update apps in the Microsoft Store on Windows 10, you might see error 0x80070424....

Fix Microsoft Teams Error 0x80070005: Access Denied

When Microsoft Teams shows error code 0x80070005, it usually means Teams can't access a needed fi...

Fix Windows Security Authentication Error 0x80070035

Fix Windows 10 Task Scheduler High Memory Usage

If you notice that Task Scheduler (taskhostw.exe or TaskScheduler.dll) is using an unexpectedly h...

Windows Defender Setup Checklist for New PC

When you set up a new PC, Windows Defender (now called Microsoft Defender Antivirus) is already a...

Fix Windows Activation Error: Port 443 Already Allocated

You try to activate Windows, but get an error: "Windows activation port already allocated on ...