I'm seeing a lot of threads about the Spyro games crashing. This can be caused by the libcrypt copy protection featured on the discs.
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Originally Posted by Info on Libcrypt
Since the end of 1998 Sony introduced the first protected PlayStation games in Japan (PoPoRogue). They added extra code, called LibCrypt, could detect if a Mod-Chip was being used. When it detected it then game could not be played.
About 6 months later the LibCrypt protection was also used on European PAL games (Medievil) and now also US games are being protected.
The LibCrypt protection uses a Digital ID (16 bit key), which is stored in the SubChannel of a CD-ROM.
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In order to solve the problem you need to rip the subchannel data from the disc onto your hard drive. To do this all you need is P.E.Op.S. CD-R Driver 1.4 from
here. Place that file in your ePSXe 'plugins' directory and then select it as your default plugin for CD-Rom. After that follow these instructions:
Please note: Your CD/DVD drive MUST be capable of reading CD subchannels for this process to work. 90% of modern computers (2004+) SHOULD be ok. If you're not sure google your CD/DVD drive to check the specs/reviews 
1) Click 'Config' then 'CDRom'
2) Click 'configure'
3) Near the bottom of the new window, select 'use subchannel SBI/MS3 info file (recommended)' and then click 'Create SBI/MS3 file (Only with supported drives)
4) Select 'Read subchannel from CD-Rom' and then select .SBI file. Then
create click 'Create subchannel info file'.
Please note: Your computer may appear to lock-up or become unresponsive during this stage. Don't worry, leave it 20minutes or so, if it's still unresponsive you may have to force a shutdown (holding down the power button)
5) Once it's created save the file to the location of your .ISO or another convenient place
6) When you're about to play the game associated with the subchannel info you need to configure the plugin again. In the field where it says 'File' click the three dots, locate the subchannel file and click 'Ok'.
7) Enjoy Spyro!
To my knowledge the fix effects:
- Spyro 3 (PAL/NTSC): Year Of The Dragon
- Spyro 2 (PAL/NTSC): Gateway To Glimmer/Ripto's Rage
- Spyro The Dragon (NTSC)