check if your Internet connection is good ..
after investigating whether any programs you have installed on other models browsers also automatically close
clean all records with Windows key + R write TEMP .. removes all files that appear there
then close the window and back windows + R write PREFETCH .. accepts the frame and there also deletes all files
CCleaner runs in tambn in RECORD CLEANER and restart your PC and run as administrator GOOGLE
I hope this is helpful
luck