Hi everybody. I have a Milestone2 and made a backup of my apk's, by simply copying the files from /system/app to another location. Then, I delete some apps, like social network, gmail and some others. But I can't re-install them, the installer says "application not installed" at end of process. Copy the files back to /system/app folder don't work as well. Android SDK bring a message saying FAILED_INSTALL_OPTDEX after "adb install" command. A detail: Super Manager shows "(no install)" at end of file name, like "email service (no install)". How can I can re-install these apps? Thanks in advice.