When launching Acrobat X or XI the following error pops up.
Either there is no default mail client or the current mail client cannot fulfill the messaging request. Please run MS Outlook and set it as the default mail client etc.
This is due to the 32 bit Acrobat Reader unable to find the 64 bit Microsoft Outlook.
Either wait for Adobe to fix the issue, or use Regedit to fix.
1. Create registry key:
2. Create String value: Bitness
3. Set the String value for Bitness to: x64