Application Error. Exception EOIeSysError in module WinEDR.exe at 0007C319. Error accessing the OLE registry.
By going to Computer\C:\WinEDR and right-clicking on WinEDR and then "Run as administrator" the problem seems to be solved. I don't know if this would also be required for WinWCP:
I think this may be a general fix for this type of exception based on a cursory Google search.