I am no longer able to view the contents of drop down lists whenever I go on
any website. I.e to book a flight etc..... the contents of the drop down
lists are blank.This has been the case for a couple of months.  I have used
system restore to take the computer back and this ...

As admin of our family PC, how can I run Disk Cleanup (or other utility) to
delete temporary internet file cache for all users?
I find that some of the users don't do this from one year to the next, amd
the simplest is just to do it for them every couple of months. Thanks for