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Development: UltraVNC development is always here... Any help is welcome
Feedback is welcome
A new stable version, UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 have been released: https://forum.uvnc.com/viewtopic.php?t=38095
Feedback is always welcome
2025-12-14: 1.7.1.X-dev release builds need tests and feedback: https://forum.uvnc.com/viewtopic.php?t=38134
2025-12-02: We need help: English Wikipedia UltraVNC page has been requested to deletion: https://forum.uvnc.com/viewtopic.php?t=38127
Any help is welcome to improve the UltraVNC page and/or to comment on the Wikipedia Talk page
2025-05-06: Forum password change request: https://forum.uvnc.com/viewtopic.php?t=38078
2023-09-21: Important: Please update to latest version before to create a reply, a topic or an issue: https://forum.uvnc.com/viewtopic.php?t=37864
Development: UltraVNC development is always here... Any help is welcome
Feedback is welcome
Crash seen on the server
Crash seen on the server
Hi, I've seen the server crashing sometimes, but I'm not able to reproduce the error. I have however enabled the log file and am posting it here. Perhaps someone can determine the cause of the problem.
Re: Crash seen on the server
.\vncclient.cpp : m_ms_logon set to false.\vncclient.cpp : negotiated version
Entered InitAuthenticate
c:\data\ultravnc\ultravnc project root\ultravnc\winvnc\winvnc\vncPasswd.h : PASSWD : ToText called
.\vncserver.cpp : client 192.168.5.43 verifiedHost 0 prior to adjustment
.\vncserver.cpp : client 192.168.5.43 verifiedHost 0 after adjustment
.\vncservice.cpp : @@@@@@@@@@@@@ GetCurrentUser - UserNAme found: Administrator
--Überlappender E/A-Vorgang wird verarbeitet.
password authentication.\vncclient.cpp : Leaving InitAuthenticate
c:\data\ultravnc\ultravnc project root\ultravnc\winvnc\winvnc\vncEncodeMgr.h : raw encoder requested
.\vncencoder.cpp : settranslatefunction called
.\vncencoder.cpp : only 8, 16 or 32 bits supported remotely - 0 requested
.\vncencoder.cpp : settranslatefunction called
.\vncencoder.cpp : no translation required
c:\data\ultravnc\ultravnc project root\ultravnc\winvnc\winvnc\vncEncodeMgr.h : request client buffer[9216012]
.\vncserver.cpp : Authenticated() done
.\vncclient.cpp : authenticated connection
.\vncbuffer.cpp : request local buffer[9216000]
.\vncbuffer.cpp : fast blits detected - using DIBsection buffer
.\vncbuffer.cpp : local buffer=9216000
.\vncclient.cpp : sent pixel format to client
.\vncclient.cpp : init update thread
.\vncclient.cpp : starting update thread
.\vsocket.cpp : zero bytes read2
.\vncservice.cpp : SelectHDESK to Default (2c) from 2c
.\vncclient.cpp : failed to close desktop
--Das Handle ist ungültig.
.\vncclient.cpp : client disconnected : 192.168.5.43 (21)
.\vncclient.cpp : disable update thread
.\vncclient.cpp : enable/disable synced
.\vncclient.cpp : kill update thread
.\vncclient.cpp : stopping update thread
client sent 0 updates
.\vncclient.cpp : update thread gone
.\vncserver.cpp : removing authorised client
.\vncserver.cpp : RemoveClient() done
.\vncclient.cpp : ~vncClient() executing...
.\vncclient.cpp : deleting socket
.\vsocket.cpp : closing socket
keysym 0xffe9 keysym 0xffe3 keysym 0xffe1 keysym 0xffea keysym 0xffe4 keysym 0xffe2.\vncservice.cpp : @@@@@@@@@@@@@ GetCurrentUser - UserNAme found: Administrator
--Überlappender E/A-Vorgang wird verarbeitet.
.\vncmenu.cpp : ########### vncMenu::TIMER TrayIcon 5s hack
Fri Sep 25 10:01:14 2009
keysym 0xffe9 keysym 0xffe3 keysym 0xffe1 keysym 0xffea keysym 0xffe4 keysym 0xffe2.\vncdesktopsink.cpp : OOOOOOOOOOOO 537 24051840
.\vncdesktopsink.cpp : OOOOOOOOOOOO 537 645399154
Entered InitAuthenticate
c:\data\ultravnc\ultravnc project root\ultravnc\winvnc\winvnc\vncPasswd.h : PASSWD : ToText called
.\vncserver.cpp : client 192.168.5.43 verifiedHost 0 prior to adjustment
.\vncserver.cpp : client 192.168.5.43 verifiedHost 0 after adjustment
.\vncservice.cpp : @@@@@@@@@@@@@ GetCurrentUser - UserNAme found: Administrator
--Überlappender E/A-Vorgang wird verarbeitet.
password authentication.\vncclient.cpp : Leaving InitAuthenticate
c:\data\ultravnc\ultravnc project root\ultravnc\winvnc\winvnc\vncEncodeMgr.h : raw encoder requested
.\vncencoder.cpp : settranslatefunction called
.\vncencoder.cpp : only 8, 16 or 32 bits supported remotely - 0 requested
.\vncencoder.cpp : settranslatefunction called
.\vncencoder.cpp : no translation required
c:\data\ultravnc\ultravnc project root\ultravnc\winvnc\winvnc\vncEncodeMgr.h : request client buffer[9216012]
.\vncserver.cpp : Authenticated() done
.\vncclient.cpp : authenticated connection
.\vncbuffer.cpp : request local buffer[9216000]
.\vncbuffer.cpp : fast blits detected - using DIBsection buffer
.\vncbuffer.cpp : local buffer=9216000
.\vncclient.cpp : sent pixel format to client
.\vncclient.cpp : init update thread
.\vncclient.cpp : starting update thread
.\vsocket.cpp : zero bytes read2
.\vncservice.cpp : SelectHDESK to Default (2c) from 2c
.\vncclient.cpp : failed to close desktop
--Das Handle ist ungültig.
.\vncclient.cpp : client disconnected : 192.168.5.43 (21)
.\vncclient.cpp : disable update thread
.\vncclient.cpp : enable/disable synced
.\vncclient.cpp : kill update thread
.\vncclient.cpp : stopping update thread
client sent 0 updates
.\vncclient.cpp : update thread gone
.\vncserver.cpp : removing authorised client
.\vncserver.cpp : RemoveClient() done
.\vncclient.cpp : ~vncClient() executing...
.\vncclient.cpp : deleting socket
.\vsocket.cpp : closing socket
keysym 0xffe9 keysym 0xffe3 keysym 0xffe1 keysym 0xffea keysym 0xffe4 keysym 0xffe2.\vncservice.cpp : @@@@@@@@@@@@@ GetCurrentUser - UserNAme found: Administrator
--Überlappender E/A-Vorgang wird verarbeitet.
.\vncmenu.cpp : ########### vncMenu::TIMER TrayIcon 5s hack
Fri Sep 25 10:01:14 2009
keysym 0xffe9 keysym 0xffe3 keysym 0xffe1 keysym 0xffea keysym 0xffe4 keysym 0xffe2.\vncdesktopsink.cpp : OOOOOOOOOOOO 537 24051840
.\vncdesktopsink.cpp : OOOOOOOOOOOO 537 645399154
Re: Crash seen on the server
These messages seem to be a problem
1.
-Das Handle ist ungültig. --> Invalid window handle
2.
--Überlappender E/A-Vorgang wird verarbeitet. -->
Overlapped I / O operation is processed
1.
-Das Handle ist ungültig. --> Invalid window handle
2.
--Überlappender E/A-Vorgang wird verarbeitet. -->
Overlapped I / O operation is processed
