When you launch Acrobat 8, Acrobat 9, or Adobe Reader 9 a window displays in Internet Explorer 7 that says "The page cannot be displayed" or "Internet Explorer cannot display the web page." After closing that window Acrobat 8, Acrobat 9, or Adobe Reader 9 displays a dialog box stating "License Agreement was not accepted" and closes.Solutions
Make sure Internet Explorer has been updated to the latest build. Go to http://www.microsoft.com/windows/downloads/ie/getitnow.mspx and download the latest version of Internet Explorer 7. If it has, then do one or more of the following solutions:
Solution 1: Disable the Content Advisor in Internet Explorer 7.
1. In Internet Explorer, choose Tools > Internet Options.
2. In the Internet Options window choose the Content tab.
3. Click Disable.
4. Click OK.
5. Restart Internet Explore.
6. Try to launch Acrobat or Adobe Reader.
Solution 2: Set the registration in the Windows Registry manually.
1. Click Start > Run > and type in regedit.exe click OK. On Windows Vista, simply type regedit into the Start Search field in the Start menu and hit Enter.
2. Add the following entries into the registry:
HKEY_LOCAL_MACHINE\SOFTWARE\Adobe\Adobe Acrobat\8.0\AdobeViewer. If the AdobeViewer key does not exist, right-click on 8.0 and create new key called AdobeViewer.
Solution 3: Set the EULA_ACCEPT property from the command line during installation.
1. Click Start >Run and type in cmd then click OK. On Windows Vista use Start > All Programs > Accessories and then right-click on Command Prompt and choose Run as Administrator
2. Change directory to the installation source (example: CD, network or hard drive location)
Type the following command:
msiexec /i acropro.msi ISX_SERIALNUMBER=1118-1419-2250-4202-5399-2872 USERNAME="Mr. User" COMPANYNAME="Adobe Systems" EULA_ACCEPT=YES
Note: Serial number presented above is fake and used for demonstration purposes only. You must provide your own serial number.