Internet Explorer x32 fails / x64 succeeds

Win 7 x64 with IE 9 installed 3 months ago, running with no issues until this week.  No known changes.  When IE is launched (default 32-bit) you get the standard "Internet Explorer cannot display this page".   IPConfig showed valid config obtained by DHCP and we are able to ping and tracert by name.  Discovered we can surf by IP only, indicating a DNS related issue, but the DNS servers are online and serving over 100 other clients without issue.  Even if we change the servers to 4.2.2.2 the behavior is the same.  Tried reloading TCP/IP and resetting both WinSock and WinSock Catalog.  Uninstalled IE via windows components in programs and features.  Rebooted 2x and then re-installed, same behavior.  Loaded Firefox portable onto a USB drive but when launched from the system the behavior is the same as with IE.  Reset all IE settings to defaults, same behavior.  Tried SFC and found corrupted files but couldn't repair.  Tried running a repair off the Win 7 CD, but it doesn't find an error.  

Now, the interesting part.  If I launch the x64 version of IE, it operates correctly and normally.  This would lead me to beleive the issue is with some shared files that x32 browsers share......

Thougths on how to resolve aside from reloading the OS?
OilCan99Asked:
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Davis McCarnOwnerCommented:
Run TDSSKiller, change the parameters to include detect filesystem, and see what appears.  http://support.kaspersky.com/faq/?qid=208280684
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OilCan99Author Commented:
Thank you for the help!  Never heard of TDSs....interesting read.
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