UltraVNC

winvnc server 1.0.9.6.1, winvnc viewer 1.0.9.6.2, win 7 x86 and xp x86.
I have two identical VncViewer Message Box - "Server closed connection. - The server running as application.". Server was installed "winvnc -install" and running as service.
Once crush - Application Failure vncviewer.exe 1.0.9.6 ...

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winvnc server 1.0.9.6.1, winvnc viewer 1.0.9.6.2, win 7 x86 and xp x86.
I have two identical VncViewer Message Box - "Server closed connection. - The server running as application.". Server was installed "winvnc -install" and running as service.
Once crush - Application Failure vncviewer.exe 1.0 ...

Thank you very much. I will test ultravnc 1.0.9.6.2.

Some time, while file upload, program don't crush, I have message - winwnc close connecting, server running as application. Nevertheless file upload proceeds. I think, file loading occupies all slowly line, main window close connection and crush program.

0000: 41 70 70 6c 69 63 61 74 Applicat
0008: 69 6f 6e 20 46 61 69 6c ion Fail
0010: 75 72 65 20 20 76 6e 63 ure vnc
0018: 76 69 65 77 65 72 2e 65 viewer.e
0020: 78 65 20 31 2e 30 2e 39 xe 1.0.9
0028: 2e 36 20 69 6e 20 76 6e .6 in vn
0030: 63 76 69 65 77 65 72 2e cviewer.
0038: 65 78 65 20 31 2e 30 ...

Sorry, my bad English.
We need to run file transfer from UltraVNC Viewer without loading remote screen, for example replace checkbox "viewing" with select - Control, Viewing, File transfer.
We have a slow modem connection where are many errors and reconnect time to time. When I run file transfer ...