AnyConnect Install fails at Upgrade

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Aug 4th, 2010
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I'm hoping someone might be able to help me out.  I'm trying to install AnyConnect 2.4.1012 on a WinXP x64 machine but it keeps failing when it appears to try and upgrade itself.  I haven't been able to find any usefull information in the logs.  I've tried both the local installer and the web installer with the same results.

Any help would be greatly appreciated,


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Yudong Wu Wed, 08/04/2010 - 22:09
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what error message did you get when the installation was failed?

Can you check if the following register entry exists?


If not, please add a new key and name it "RunOnce" and then try the installation again.

sthompso_x64 Wed, 08/04/2010 - 22:50
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The error was 'Fatal error during installation'.  Not very usefull I'm afraid.

I do have a key for RunOnce already.


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