When I try to load my Bitcoin Wallet I get an "Assertion Failed!" window: here is what the window says:
Program: C:\Program Files\Bitcoin\bitcoin-qt.exe File: src/main.cpp Line: 1761
Expression: pfork !=NULL
For information on how your program can cause an assertion failure, see the visual C++ documentation on asserts
(Press Retry to debug the application - JIT must be enabled)
(three buttons:) Abort Retry Ignore
I am a novice and don't know where to start. I do have a backup on a flash-drive if that is of any help.
Many, many thanks for any help you can give. Sincerely Douglas (Scotland, UK)