Windows 7 and java sometimes start or sometimes not

Hello!
I have problem when i go to this url :http://javatester.org/version.html java starts on my computer. But when i try to open next ie and again enter page java not starts... but int 3 ie java starts again, in 4 again, in 5 not.... Random
This problem is independ java version but only appears on windows7....
What can be a problem?

user8672998 wrote:
See your self if you have win7I do.
The laptop I'm typing this on is an older Toshiba laptop that started with MS Windows Vista and now is running Win7 Enterprise.
The issue doesn't appear here. Ever.
Although I rarely use I.E., the JVM always starts when needed.
I more commonly use Mozilla's Firefox browser.
This computer initially had Firefox 3.x installed to it, but it recently had that upgraded to Firefox 7.x

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