- 1). Open Internet Explorer.
- 2). Click "Start" at bottom of screen.
- 3). Click "Control Panel" on the list of programs.
- 4). Click "Programs." Click "Programs and Features" for Vista and Windows 7 computers. Wait for a list of installed programs to appear.
- 5). Scroll list to find "Adobe Acrobat Add-On."
- 6). Click "Uninstall" for Vista and Windows 7 computers.
- 7). Confirm the removal of the add-on.
- 8). Restart the computer.
Source...