Pidgin 2.5.4 Download

[Helen McCall]

I've been trying to download the latest update - but it won't install.  
I've tried both from the main page and the alternative suggestion.  The 
error message says:

     Installer integrity check has failed.  Common causes include
    incomplete download and damaged media.  Contact the installers
    author to obtain a new copy.  More information at
    http://nsis.sf.net/NSIS_Error.

Any suggestions, apart from the ones at that NSIS site?

Helen
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