We've got several machines which use an intranet application. The app is web based and produces some PDFs on the fly which appear in popup IE windows, which in turn displays them in Adobe Reader. On 2 PCs (both running vista ie8 and ar9.2) the print button in AR is enabled but doesn't actually do anything when you click it. If you save the document to your desktop then open it, it all works ok. I don't think the issue is to do with the specific PDF files, but something to do with AR not being able to display dialogs properly (you can't view document properties either). Any suggestions?