Java Runtime

My OS is win 7 prof 64 bit and I use IE9.  I was online with verizon trying to fix the slowness of my internet connection which is less than 5 Mbps.  Support ran a speedtest but the Java runtime Environment 6 Update 21 failed to install despite 3 to 4 attempts.  A check on the programs from Control Panel shows that I have Java Update 30 and 31.  
Since the Java could not be installed the speed test could not be run.  Support says that something is blocking from Java being installed.
I only have McAfee on my desktop and nothing else.  A look at McAfee does not show Java being blocked.  
So I am at a lost as to why the Update 21 could not be installed properly so that the Verizon speed test could be run.
Hope the  Gurus can throw some light.  Thank u
jegajothyretiredAsked:
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diperspCommented:
If you have updates 30 and 31 already, I'm guessing THAT is keeping java from downgrading to update 21.  Why do they want the older version?  Compatibility issues?  If so - uninstall 30 and 31 and then install 21 and see if it works.  If it does - let them run their test, then get it back to the latest update for security reasons (31 for version 6 the last I looked.)
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jegajothyretiredAuthor Commented:
Uninstalling-Java.docxIn response, I uninstalled Updates 30 and 31, but Update 31 could not be uninstalled as the directory could not be found.  So I went ahead to the speedtest at verizon and ran their thing.  It asked to install Update 21 and this time it installed after 3 to 4 tries and it shows at Control Panel's Programs.  After the installation, I also received a Java confirmation that it was installed.  I ran Verizon's speed test, but what should be completed in 2 minutes, it was taking for ever, so I guess that the verizon program to check the speed test is not working.  

I switched to speedtest.net and loaded IE9 and ran their speedtest, but it could not run.  I tried to load Firefox, and run it, same result.  Not sure whether this is due to the unstalling of Java 30.

Looks like I have to give up, unless I go for Microsoft's paid support.   Got to get some income first!

Meanwhile, how do I install back Update 30 that I had uninstalled or install all Java's update so that my pc will be uptodate.   Can someone please give me the links?

FYI, my pc is a Dell Vostro 220, the OS is win 7 prof, 64 bit.
Thank u.
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diperspCommented:
Try this fix-it tool from Microsoft.  This has helped me out big time in trying to uninstall stuff that is "broken."  Pretty self explanatory as you go through it.  Get rid of all java stuff, then try installing the latest update.

http://support.microsoft.com/mats/Program_Install_and_Uninstall
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jegajothyretiredAuthor Commented:
thank u
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