Bootcamp 10.4 was beta and the launcher would fail to run after a certain date. I had installed it with no issues and it corrupted a couple of years later and i was unable to repair it until i rolled back the clock. It is able to emulate nearly all known copy protections on the market today, allowing you to play your games without the CD/DVD in the drive and allowing your CDs/DVDs to be kept safe from damage.
DAEMON TOOLS YASU INSTALL
I in fact had to use this method to repair my bootcamp install on OS 10.4. Daemon Tools Lite 32 Bit/64 Bit v4.30.1 (3.52MB) Daemon Tools is a virtual CD/DVD-Rom optical storage media emulator. Note that this gives you an increasing inaccuracy in your system clock after a while. Trialware that is date-sensitive i've seen bypassed by changing the system clock before launch and setting it back as soon as launch is complete. You usually can just copy all the registry entries and overwrite them with a custom launcher every run. Trial-ware is a whole different solution. I dabbled a little in it when i was younger just for educational purposes (meaning i never distributed anything). When you come to a difference in code execution (in particular a different value in a returned function) you usually simply change "is" to "is not" so it runs without the disk, or simply overwrite the entire checking routine with no-operations (nop), or rig it so the successful check and the unsuccessful one launch the same code. Once with the cd inserted and once without. You simply launch the game twice or on two separate systems at once in a debugger.
I would guess it would be possible to write the decrypted exe to disk. It finds the key on the dvd/cd and decrypts it then launches it. As far as i am aware securom is reasonably straightforward in this regard because it is a wrapper program around an encrypted exe.
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