Hello James.
We'll certainly help you resolve this. Please try to boot your PC in safe mode (https://support.avg.com/SupportArticleView?urlname=How-to-reboot-your-computer-into-Safe-Mode). Then let us know which version of AVG TuneUp is installed on your PC to help you restore the changes.
I decided to use the full scan option on PC Tune up based on a yellow fix alert. After it finished, it asked me to resort Windows. Now when I enter my password for Windows to start, I get a blank screen with a blinking icon bar in the bottom. My Windows no longer starts up. Please assist!!
Hello James.
We'll certainly help you resolve this. Please try to boot your PC in safe mode (https://support.avg.com/SupportArticleView?urlname=How-to-reboot-your-computer-into-Safe-Mode). Then let us know which version of AVG TuneUp is installed on your PC to help you restore the changes.