How to repair wallet problem:
1: Save your wallet.dat from C:\Users\username\AppData\Roaming\PureCoin
2: Delete the folder C:\Users\username\AppData\Roaming\PureCoin
3: Launch Purecoin wallet binaries and close it few minutes later.
4: Replace the new wallet.dat by your old wallet.
5: Re-launch purecoin wallet binaries and wait for sync (5 to 10minutes)
If problem persist, download my blockchain
My blockchain:
https://mega.co.nz/#!LQ9iCarZ!g2JNPXaU2JMe7w6uj828Ke2d2hxn8FoWy35PkrWVJPkExtract it into: C:\Users\YOU\AppData\Roaming\PureCoin\