One other issue you may encounter is losing your WAN interfaces on your MSFC's. They will still be in the start-up conf, but not in the running. You can cut and paste them back in, or copy start run. Lots of issues with WCCP configs disappearing as w...
So, what kinda links are they?? Gig links? You most likely have a faulty GBIC. past that, test your fiber or whatever cabling(i.e. fluke meter)you have. One of these is most likely your culprit. (0_o)
best model for this is just to start doing it manually:format bootflash:all sectors will be erased, proceed (y/n) [n]? yenter volume id(up to 31 characters): entercopy tftp flaship address or name of remote host (enter ip of host holding new code) x....