HOW TO FIX WINDOWS 7 BOOT CAMP ERROR 2753 ON YOUR MAC.
If you are running Windows 7 on boot camp 3.3 or higher on your Mac and discovered that it doesn't work, and you want to uninstall it, but an error 2753 kept on popping up on your computer screen indicating that you cannot uninstall it. Then you can do the following to resolve the problem.
DELETE "APPLEOSSMGR.EXE" FILE FROM YOUR COMPUTER
First click START, click on Computer, double click on Bootcamp (C:) and double click on Windows, double click on System32 and then browse for AppleOSSMgr.exe and delete it. Once you have done that, you can reinstall boot camp 3.0 (which comes with your Mac OS X installation disk) and then upgrade it to boot camp 3.1 or higher. You can download boot camp 3.1 from the link here:http://mac.brothersoft.com/apple-boot-camp-3.1-for-windows-32-bit.html. Reboot your computer after you have finished the installation.
Hope it works for you.