Hi forum,
I've been using SC since shortly after it was first publicly released. I've been running with the same compiled exe for quite sometime and have used this on many occasions to support family and friends, last time I used it successfully was probably around May this year. My PC is either a Win 7 64bit or a VM of XP, connecting PC's are either XP or Win 7 64.
I've just tried to get a family member to run the copy of SC I have distributed that he has saved on his desktop and as soon as it tries to connect to me the program immediately closes and disappears from the system tray. I am not seeing any connection through my router. I tried the copy I have saved on a personal website on both my Win 7 and XP machines (where I have previously tested successfully before) and the program did the same thing, as soon as I tried to connect it immediately closed. Thinking this could be affected by a Windows update I recompiled a newer version using the SC website. This new version behaved exactly the same and immediately closed.
As a last resort I installed a fresh copy of XP SP2 onto a VM PC with no updates or anything. I tried both the existing version I had on my website and also the newest compiled version (along with a version I had stored in SourceSafe) and they both immediately closed - I'm a little puzzled as to why something I've been using for years now would suddenly stop working, especially when tested on the freshest install of XP SP2 possible - does SC rely on another external website that I am unaware of that could be down at all?
If anyone could shed any light it would be much appreciated!
Thanks
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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
2025-12-05: Celebrating the 23th anniversary of the UltraVNC (26th anniversary since the laying of the foundation stone): https://forum.uvnc.com/viewtopic.php?t=38130
2025-12-03: Could you please complete our poll/survey? Renaming UltraVNC files and service to be more clear: https://forum.uvnc.com/viewtopic.php?t=38128
There was a problem to vote, it is solved now! Thanks in advance!
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
Join us on social networks and share our announcements:
- Website: https://uvnc.com/
- GitHub: https://github.com/ultravnc
- Mastodon: https://mastodon.social/@ultravnc
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SC Automatically Closing
Re: SC Automatically Closing
Put a line containing [DEBUG] in the helpdesk.txt file and try again.