IE7 can't open the Servicedesk Plus web page

IE7 can't open the Servicedesk Plus web page

thanks for your time and support

i am using Servicedesk Plus version 7 build 7017.
when i try to open it using IE7 it give me a blank IE page.. and nothing else

when i try to open it using IE6, it works

i need to open it with IE7 as all the computers i am using is Vista.






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