UltraVNC

Connection with Single click to a remote Vista computer is extremely slow, I'm using version 1.0.5. Pretty much everything is default settings...i didn't use the encrypted connection since I couldnt figure out how to install MSRC4Plugin122.dsm I put the file into the plugin folder but it gives me a ...

I'm running Vista 64bit and up until recently pchelpware was working perfectly now when I run it I get "Read Failed" and the viewer application crashes. (sometimes it crashes without read error)
A few things I can think of that changed:
1. uninstalled ultravnc and installed the newests version 1.0 ...