I installed the new os 4.5 but i forgot to install BB messenger and docs to go and brickbreaker, now every time i connect to see the app list nothing is there , when i goto restore its greyed out? what can i do i heard you can reinstalln the os but mine is the newest. help please

Re-install the OS on your PC, then connect your BB to the DM and run the app. loader for upgrading you should be able to check the boxes for what ever you want to install.