Start Firefox Move your cursor up to the very top (but not off) of the screen Right click You should be given a choice of a few things, left click where it says Menu Bar Does that fix it?

You do not show an anti virus program? Surely you have one? Malwarebytes and Superantispyware only run when you set them to do so. Spywareblaster is a TSR (terminate and stay resident) program. Computer security is a personal choice, personally on my Windows 7 computer I only have Microsoft Security Essentials and on my Windows 8 just Windows Defender and I am comfortable. Both use the Windows firewall. That is NOT to suggest others should follow suit, it is just my choices while others will no doubt have varying opinions on good, better, best.

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Thanks for the quick responses. Well, yes it is probably time for a new computer, but it is really for basic use and I hope to limp along. However, it does have a bigger issue that recently, microsoft detected that the win7 was not legit and I wouldn't have been able to get win10. (I got it from a guy who I suppose worked at a big company. It was initially a Millennium Edition that someone upgraded to win7 Ultimate.In any case, probably way too small for win10. It is ~150gig HD with 2mb mem. Anyway, thanks for the tips snidely; I'm not sure I was able to clear the cache. I used to recall that there was a windows direct way but I went thru the 'create shortcut' way and can't tell if something actually got done. At first I didn't want to wipe the history. I guess I will check that in a minute and get back. However: YES, it appears to be a browser issue. Wife and I have both been using Firefox. I tried Chrome and one of the Explorers and they didn't give the problem. I will see if a cleared history will make it work. Update: Using CC Cleaner I got rid of more than 10gig of some very old and not so old cached stuff. However, the problem remained. While in Firefox/options, I found four settings about scrolling, and randomly removed settings for 'use smooth scrolling' and 'use hardware acceleration when available'. One or both of those settings appear to have caused the graphics failures because Firefox now works normally.