Cav can be shut down from limited user account

you can Exit Cav from task bar by clicking on option presented in qucik menu. yhis should be looked into.
2)even allowing files in hips control ,on next boot they are blocked again

3)after doing full scan of my system it detected 99.99% of files not in safe list totalling 30Gb to be submitted .

4)hips was causing my system to hang after going through formum i uninstalled windows defender and again installed cav same problem was repeated again

5)while doing scan in limited user account error loading safe list appears
can any body tells me after what hips does with files and why it hangs