"I get problems with keystrokes going missing when typing into The Answerbank from older computers. This is because the Adverts eat the processor power.
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I have a problem with this all the time with my laptop which is brand new more or less. Same with the phone.
And it is definitely the ads which are responsible. IE and Safari - with no adblocker installed: dreadful. Firefox with adblocker installed: no problem.
@jayas......Both of the sites to which you have given links are listed by WOT (Web of Trust) as having poor reputations and their Trustworthiness is given as 'Very Poor'.
Also, I would add that, unless one is very competent, Registry Cleaners should Not be used for fear of one's Computer/Laptop being completely cleaned-out and become beyond further use. Furthermore, I doubt that anyone would see an improvement in the Computers speed performance.