I have an unusual and annoying problem in that having spent some time filling out a page/form an arrow appears from the left side of the screen and clears the page. Can somebody "please" have an answer...........
Wonder if you have an "Adware" issue. What you could try is to download, install, and run 2 freeware programs. The first one is ClamXav (you can get it from here: http://www.macupdate.com/app/mac/15850/clamxav). As you can see, that program can help with identifying any viruses you might have.
There is also the possibility that a somewhat malicious program called MacKeeper was "installed" onto your machine. Here is a li k that explains how to COMPLETELY get rid of it:
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