I have downloaded CCleaner V2.03.532. I have some questions (may be dumb, I am a non-computer person) ragarding Registry Scan.
(1) what does it do to my laptop?
(2) why it asks if I want to back up my registry files?
(3) How can I restore it after running Registry scan?
(4) what are the chance it will mess up my computer?
Thank you.
(1) what does it do to my laptop? - It removes any invalid registry entries
(2) why it asks if I want to back up my registry files? - Because messing with the registry is dangerous and can mess up a computer. Having said that CCleaner is very safe and should not cause any problems, but if it does you can restore the backed up entries it removes.
(3) How can I restore it after running Registry scan? - Just double click the backed up file or right click the backed up file and select 'Merge'
(4) what are the chance it will mess up my computer? - It is possible but very unlikely
Have a read of the beginners guide for more info:
http://www.internetrotsyourbrain.com/ccleanerbeginnersguide/
Thank you very much for your quick reply to my questions. Now it makes more sense to me.
Like JD said, it removes invalid entries. These are left behind when a program is uninstalled usually, or some thing similar in nature.
AJ