Quick Heal having problem with windows 7- blank screen after start

I am having problem with quick heal boot time scan with Windows 7. Whenever the boot time scan is scheduled, initially quick heal scans the system in native mode then the screen goes blank. After switching off on, the system shows startup error and then has to be restored to last known best configuration.

Kindly help.

Hello friend,
Removal of quick heal is the only solution. There are many and countless better solutions, like avira, avast in free and ESET, Kaspersky, Bit Defender in paid category.