Adobe Acrobat 8.1 supports Microsoft Windows Vista, Office 2007 and Windows x64 platforms. For more details about the Acrobat 8.1 update, see TechNote kb401730. Acrobat 7 and previous versions do not support Windows Vista.
Note: There is a known issue with 64-bit versions of Windows which causes the Adobe PDF Printer to not work correctly. Microsoft has released a Hot Fix for this issue which is documented in Microsoft KB Article 930627 on the Microsoft Help and Support site at http://support.microsoft.com. This Hot Fix is also included in the Windows Vista Service Pack 1 (SP1) update. Adobe has tested and will support the Adobe PDF Printer with this Hot Fix installed. This Hot Fix is also included in the Vista SP1 update.
Issue: During uninstall the Acrobat 7 installer alerts that Acrotray.exe and Explorer.exe files are in use and must be closed before continuing installation.
Solution: Click ignore during the uninstall to proceed with removing Acrobat 7. You may need to restart your system after you finish uninstalling Acrobat 7.
Issue: Command under Help > Detect and Repair is unavailable as protected Administrator or User.
Solution: Use Detect and Repair feature in Control Panel > Add/Remove programs.
Issue: Right-click contextual menu is not available for PDF conversion.
Solution: Convert file inside Acrobat 7 or original application.
Issue: Web capture button in Internet Explorer 7 is not available in a new tab view.
Solution: Capture site from first tab or use Acrobat 7 to capture site.