This has been fixed
This article applies to:
Issue in the product. Acronis True Image Home 2012 installer does not accept 25-symbol serials.
(!) The issue reproduces only if you install Acronis True Image Home 2012 on a clean machine and submit a serial number in the installation wizard. If you install Acronis True Image Home 2012 over installed older version, the product will automatically detect the installed older version and the serial number.
(!) This has been fixed. The fix is available in Hotfix for build 6131.
To download the hotfix, log in under your account, select Acronis True Image Home 2012 in the list of registered products and download the installer from hotfixes tab:
(!) To install the hotfix, you need to have Build 6131 installed. See Installation of the Latest Update of an Acronis Product.
If the described solution does not help, please contact Acronis Customer Central with a reference to this article.