I've been into Raiblocks in the past but i left because of the wallet syncing problem, it takes too long to sync and sometimes stops, i wonder if this kind of problem got fixed already?
Same sugestion for you go here
https://yadi.sk/d/fcZgyES73Jzj5T and try as the README says, i tried that and worked
This has always worked for me before. Around a month ago, the wallet suddenly stopped working so did this again but didn't work this time unfortunately. I'm just waiting for the new wallet.