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Bitdefender 2012 Cannot Be Installed On Your Operating System
If you receive this error during the installation of Bitdefender 2012, please check the system requirements here:
http://www.bitdefender.com/solutions/total...%20Requirements
This error is received by the users that try to install the product on Windows XP Service Pack 2 or lower.
In order to install Bitdefender 2012 on Windows XP, you need to install Service Pack 3 via Windows Update.
[How to obtain the latest Windows XP service pack]
http://support.microsoft.com/kb/322389
Also, in order to install our product on Windows Vista you need to have Service Pack 2 installed and on Windows 7, Service Pack 1.
[How to obtain the latest Windows Vista service pack]
http://support.microsoft.com/kb/935791
[How to obtain the latest Windows 7 service pack]
http://windows.microsoft.com/installwindows7sp1
Note: Windows 2000 and Windows XP 64 bit are no longer supported.