dear pal, dont get upset and give up .MPLAB sure has some of these problems ,sometimes codes run in morning and refuse at night ,i am trying to add features in it .Thats my project.But let me tell u even without knowledge of the mic you can still run the most complex examples just crosscheck all librariesused and the installation -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist