Hello, I am new in this thread

When I wanted to install  silkcoin-qt.exe on my windows, i received fatal error and said "Can't open database file".
it is the first time that I want to install SILK wallet on my windows.
what should I do to install the client successfully?

Thanks

Hello, I am new in this thread
When I wanted to install  SuperCoin-qt-311.exe on my windows, i received this fatal arror:


What should I do?
Please help
Thanks