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Microsoft EMET for IE 6, 7, 8, 9

by mchainmchain / September 20, 2012 3:01 AM PDT

Just applied the fix-it issued by Microsoft for IE8. Running XP SP3


Since the fix-it was applied, noted that another browser used, FF 15.0.1, no longer is displaying artifacts at the bottom 10-30% of the browser window when scrolling the page up or down to view content. Did not matter what site was viewed, some sites affected less or more than others.

This artifact was quite noticeable and annoying; it was a transient black area that appeared only in the bottom with no web content displayed. It seemed to have a flickering effect on the bottom part of the window when it appeared as scrolling was called. Black area always disappeared when window was not scrolled.

Anyone else note this behavior? Always use a sandbox when using a browser, whether IE or FF. What was a possible cause?

Not running any version of java on this system. Running the latest version of Flash Player.

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I've seen that issue come and go.
by R. Proffitt Forum moderator / September 20, 2012 3:05 AM PDT

In our Windows apps (keep in mind that I work with others writing apps for more than Windows) we've seen that come and go as machines and apps update. It's not an unknown issue but has no definitive cause or cure.

Most of the time I find it's a video driver issue or in the case of Flash, their change to hardware acceleration which we turn off a lot.

Wish there was one cause but if there is, it's this -> The PC is a hodgepodge collection of hardware and software from some thousand makers and authors. For now it's amazing that we are getting this good a result.

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by mchainmchain / September 20, 2012 4:42 AM PDT

Will try turning off Flash hardware acceleration to see it that fixes it.

BTW, issue just came back, so will watch for at time to see what is the likely cause by trying different things here.

Mystery to me as to why FF would be affected by the fix-it for IE in a positive way.

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Who knew?
by mchainmchain / September 20, 2012 7:57 PM PDT

Thanks for the virtual aspirin. Though it would seem that from what you say and do, you might need some at times.

Interesting stuff in those links! Just to keep up would need some aspirin. Laugh

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Re: Who knew?
by mchainmchain / September 22, 2012 8:19 PM PDT
In reply to: Who knew?

Just applied the four critical updates for IE8, and no artifacts at bottom of browser window once again!

Workaround fix issued Wednesday was only a temporary fix. I still needed the virtual aspirin again.

Don't need it anymore. It is now gone.


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How about turning off FF hardware acceleration?
by mchainmchain / September 24, 2012 6:47 PM PDT

That's what I did for a permanent fix. Good for an older machine.

You got me thinking what else used video hardware acceleration.

But the virtual (vritual) aspirin will come in handy someday.

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I'm working on something.
by R. Proffitt Forum moderator / September 25, 2012 1:56 AM PDT

It's not ready but as some folk are having troubles with machines and at times they can't find a fix, and along the lines of the flash hardware acceleration issue I have been testing out an idea.

It's not going to sit well with the purists but I'm trying the following. This is only done on cranky PCs that don't seem to respond to the usual fixes so with that out of the way here it is. -> We limit the number of cores that Windows uses. <-

On a spiffy i7 we pull it back to 6 and on the i5 we pull it back to 2 or 3.

Again, this is more of a workaround to real issues.

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