I dont know how, when and where I lost my file AMTRetrieveLibraryPatch, but he only think that I know is that I Updated my lightroom and when I went to opened it the program show me a message.
THE procedure entry point AMTRetrieveLibraryPatch could not be located in the dynamic link Library C:/program......
Sorry for the launch issue with Lightroom.
Reinstall LR, that should do the trick for you.
this is the thing that I dont wanna do