UltraVNC

I was unable to address this problem while being tied up with critical issues but it had arisen for our Network Administrator as well. All I had found from this previous post was it wasn't an MTU issue.

What it turned out to be was the router had some intrusion protection rules that was causing ...

I tested with all of the different viewing options after your post but it did not change anything.
The network is ethernet over a VPN. If it was a firewall issue (which is usually the error to fix) then I shouldn't be able to telnet to port 5900 on the destination machine.

I have the log that shows ...

It is strange because I am able to connect to all XP machines and most of the Win7 machines. This only happened with one machine previously and now seems to be several that were setup with v1.1.9.3

Resetting the settings did not seem to make a difference.
Windows firewall on the viewer was already ...

I have been having issues using UVNC on my local machine (WinXP 32bit).
It was v1.1.9.0 and I have changed to v1.1.9.3 but no changes.

Occasionally when I connect to a machine (typically Win7x64 but it also has the same latest VNC version) I get the connection dropped, trying to reconnect ...