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I'm working with a client who is trying to use our software, which accesses information (sends & receives) from a third-party website. When this client tries to access these pages, a window opens, as expected, but is completely blank and no error message is received. This is the first time I've seen this with many other clients successfully using this product, which leads me to believe that it has something to do with the settings on the computer somewhere, but cannot figure out what might be happening.

Windows Server 2003 R2, Standard Edition, Service Pack 2. Firewall is already off. Tried AVG on & temporarily disabled.

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More information is needed like some basic info about your app. Is it a web app? What browser is being used? What OS is the client using? –  Somantra Jun 29 '12 at 19:21
Additional information that might be helpful would include what language your webapp runs on (java? flash? silverlight? etc), but this sounds like more of a question for your development team, or your client's IT department, honestly. –  HopelessN00b Jun 29 '12 at 19:24
"Is it a web app?": It's software that connects into a web service by a 3rd party company. "What browser is being used?": It's a TWebBrowser (Delphi 2009 component). The Software is coded using Delphi Pascal (Delphi 2009) –  Jacob Jun 29 '12 at 20:02
I agree with @HopelessN00b, Client's IT could do a packet capture and use something like fiddler to watch the request hitting the service. Also try accessing the service from a different web client but on the same network. That would be a good start. –  Somantra Jun 29 '12 at 20:12
FIXED! Thanks anyway for your willingness to help. –  Jacob Jun 29 '12 at 20:21

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