And keep in mind, the back of the case clearly stated that the game could be run on, and in exactly this order, Win 7, Vista, and XP-SP2.
Vista and Windows 7 did not block DRM-related drivers at the time of the game's release in 2010.
It wasn't until 2015 that a Microsoft security update blocked installation of the DRM-related drivers because Microsoft found they caused system instability and opened security holes.
From
***HowToGeek***All games using SafeDisc DRM and games using some forms of SecuROM DRM just won’t work on modern versions of Windows. This includes every version of Windows 10, and Windows Vista, 7, 8, and 8.1 with update KB3086255, released in September 2015.
The game was released in 2010.
2010 is before 2015.
So DRM that was allowed by Windows 7 in 2010 may have been blocked in 2015.
Be aware that SafeDisc and SecuROM aren't the only ones that were blocked.
They're just the best known. Any DRM that tries to install drivers Microsoft thinks are unsafe is blocked.
Often the drivers try to install themselves the first time you try to run the game, and not at the time of installation. So if you see an error message the first time you try to run the game, the DRM is one of the possible suspects.
About the only way to prove the DRM is causing the game not to play is to try it both with and without the NoCD. If the game only works when you install the NoCD, there's your answer.
If you don't want to use the NoCD, and the game works on an older computer with an earlier version of Windows, there are several reasons a game may not work on the newer computer, both hardware-related and software-related.
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But then why (Marian) won't A Vampyre Tale play in XP?
It should as long as your video card and its drivers are compatible.
Be sure to install the patch.
Among other things, the patch is supposed to remove the SecuROM DRM.
There's more than one reason DRM might prevent a game from playing.
1. One reason is that Windows itself is blocking the installation of DRM-related drivers.
2. Another reason is that the CD/DVD drive is not able to get past the DRM.
A computer that played a game without any apparent problem in the past may not be able to get past the DRM's disc check a few years later because the CD/DVD drive is aging, and the motor and read speed aren't quite as consistent. A drive may still be able to read and write normal files, but the ability to get past disc-based DRM and allow a game to play is the first thing to go.
Of course there are brand new drives that also can't get past the DRM.
I know because I bought them. And the DRM manufacturers will never tell you which model drive to buy that is compatible with their DRM, and will swear up and down that it will work with any drive, despite that this is an obvious lie -- proven to be a lie when the game works perfectly with a NoCD. Only a few publishers will release a patch that removes the DRM. A Vampyre Story has such a patch. Ubisoft also had similar patches for some of the games they published -- Myst IV (I think it was Myst IV) and some of their Darkside games.
Also the DRM manufacturers blacklisted some legitimate programs because they might conceivably be used to crack the DRM -- programs like the sysinternals utilities and Nero. Never mind that the tools DRM crackers actually use are easier to use for that purpose and are not blocked. DRM has always been a bad joke that only harmed people who paid money the game, while those who downloaded the warez versions were not affected.
3. And then there are non-DRM related reasons the game may not work, such as lack of compatibility with certain video driver versions or features being dropped from newer video cards. The latest drivers aren't always the best. The best are usually the ones the game would have been tested with, which would pre-date the game's release.