>>Patrick,
>>
>>Check out www.componentsource.com. We acquired Protection Plus to fulfill items 1 and 4.
>>
>>>4) preventing unlimited re-installs.
>>>
>
>Doug,
>
>There is no protection preventing unlimited re-installs in Windows. Usually, this type of protection is file based or registry-based. (I can think now to a byte written in a protected area on hdd - such as boot record, but it's hard to believe this - and OS will report it, anyway).
>
>If the user are using a Uninstaller software (like Vertisoft Remove-It, for example) it can reinstall the app disregarding the protection.
>
>This type of software will interecept the Setup and will take a snapshot of your system (directories, files, registry keys, etc). After the install, it will take another snapshot and will do the comparison.
>
>When the user wants to uninstall your software, he will use that Uninstaller software, wich will eliminate all the tracks of your app. And after that, the computer will a new one :)
>
>Hope this helps
>Grigore Dolghin

I don't think that is the case with Crypto++ - they user will need a new activation code or else the app won't run.

http://www.sampson-multimedia.com/faqs.html