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Fix Windows Defender Not Starting Due to Antivirus Conflict

You open Windows Security and see a message that Defender is turned off or not starting. The most...

Fix Windows 10 Error 0xc004c003: Invalid Product Key

You see error 0xc004c003 during Windows 10 activation, with a message that the product key is not...

Fix Microsoft Store Error 0x80070005: File Locked

When you see error code 0x80070005 while trying to install or update an app from the Microsoft St...

Fix Windows Terminal Permission Denied File Locked Error

How to Fix Ubuntu APT Lock Error: Could Not Get Lock

You run apt update or apt install in Ubuntu and get an error like “...