Try these sites. I downloaded the firmware upgrades and had absolutely no problems. You must install the upgrades in the correct order or there'll be bad trouble.

I run Version 2.50 and to say I'm delighted with my champagne colored Sony is an understatement.

Hope you like yours as much!

http://home.online.no/~espen-b/ta-e9000es/

The fellow who operates that site is a TA E9000ES guru and if you email him he can help you.
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Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.