How do i get lost psp game data back?

I have the DVD of our school's showcase, and I want to get the movie off the DVD (well not totally off just a copy of it) onto my computer, make it a file compatible with movie maker and crop it into acts so I can put them on youtube for my friends and family. Help?!
Total Video2Dvd is an easy-to-use disc authoring and burning software which includes a powerful video converter engine for DVD that lets you do more with your standard or High-Definition digital media. It creates standard DVD discs with studio-quality personalized menus.

DVD Ripper can dvd ripper for Windows 7 MPEG WMV DivX H.264/MPEG-4 AVC MP4 MP3 WMA excellently.

"E.M. Free DVD copy" can help you rip DVD, it is very easy to use, only need few click to rip whole DVD movie. "E.M. Free DVD copy" allows you rip DVD to most popular video formats, such as h264, Xvid, MOV, VOB, Mpeg, Mpeg4, Mpeg TS, AVI, WMV, and so on. so you can watch dvd movies on portable player like iPod, iPhone etc. conveniently. "E.M. Free DVD copy" can divides dvd into different chapters, I can rip my I favorite ones. with "E.M. Free DVD copy" can copy whole DVD to hard drive or backup the DVD to another disc.
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hi, it is very easy to do that.
i recommend you Aiseesoft DVD Ripper.

Mac Video Converter is best video converter which convert FLV, MOV, AVI, M2TS, MKV, MOD, WMV for Mac os.

it can rip your DVD into any video fromat such as MP4, H.264, AVI, MP3, WMV, WMA, FLV, MKV, MPEG-1, MPEG-2, 3GP, 3GPP, VOB, DivX, Mov, RM, RMVB, M4A, AAC, WAV, etc. with super fast DVD ripping speed and excellent image and sound quality.
it can also cut your DVD Movie into small video clips by using "trim" function.I always use Tipard DVD Ripper.
It can remove the protection and convert it to other format legally.
It can easily rip dvd to MP4, H.264, AVI, MP3, WMV, WMA, FLV, MKV, MPEG-1, MPEG-2, 3GP, 3GPP, VOB, DivX, Mov, RM, RMVB, M4A, AAC, WAV, etc.
It also has strong editing functions of trimming, cropping, effecting and snapshot. It can merge your selected chapters into one file.
It provides more settings for you to choose such as sutitle and audio track and the parameters for the converted audio and video.
For more information and free download from:

YouTube Video Converter for Snow Leopard is a powerful video downloader and converter made specifically for youtube.com to convert any YouTube videos.

Cucusoft Ultimate DVD + Video Converter Suite converts DVD's and videos to play on almost any portable device including iPod, iPod touch, iPod video nano, iPhone, Zune, PSP, video capable MP3 players, video capable mobile phones, and Pocket P.C., etc. Meanwhile, it can also support output almost any audio/video format including Video format(H264, MP4, WMV, AVI, MOV, RM, 3GP, flv, SWF, mpeg-1, mpeg-2, VCD, SVCD, DVD, MKV,etc.) and Audio format(AC3, AAC, MP2, MP3, MP4, RA, WMA, etc.).