MinGW Runtime Assertion
Assertion failed!
Program: c:\(blabla)\guncoin-qt.exe
File: checkpointsync.cpp, Line 184
Expression: mapBlockIndex.count(hashSyncCheckpoint)
Same problem here. Anyone with a fix ? (Delete this and that and resync the wallet?).
"Microsft Visual c++ Runtime library
This application has requested the Runtime to terminate in an unusual way.
Please contact the application's support team for more information.".
Is the final output.
You were upgrading from V1.1 to V1.3 I think - that is the error that I just posted about and how to take care of it.