After more 1 000 000 (one million) views on forum for 1.5.0.x development versions... and 1.6.0.0 version
A new stable version, UltraVNC 1.6.1.0 and UltraVNC SC 1.6.1.0 have been released: https://forum.uvnc.com/viewtopic.php?t=38080
Feedback is welcome

Celebrating the 22th anniversary of the UltraVNC (25th anniversary since the laying of the foundation stone): https://forum.uvnc.com/viewtopic.php?t=38031

Important: Please update to latest version before to create a reply, a topic or an issue: https://forum.uvnc.com/viewtopic.php?t=37864

Forum password change request: https://forum.uvnc.com/viewtopic.php?t=38078

Development: UltraVNC development is always here... Any help is welcome.
A new development version, UltraVNC 1.6.3.0-dev has been released, please test it: https://forum.uvnc.com/viewtopic.php?t=38091
Feedback is welcome

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- Website: https://uvnc.com/
- GitHub: https://github.com/ultravnc
- Mastodon: https://mastodon.social/@ultravnc
- Bluesky/AT Protocol: https://bsky.app/profile/ultravnc.bsky.social
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by rdonnerhack
2011-08-16 17:03
Forum: Olders
Topic: [BUG] Thread Deadlock When Multiple Viewers Connect at Once
Replies: 3
Views: 5163

Re: Thread Deadlock When Multiple Viewers Connect at Once

We figured out the cause and it appears to be a defect on the VNC Server. The problem is that different threads are attempting to lock the same mutex. Since the second thread may not always realize that the first thread has released the mutex, it waits indefinitely. Once the first thread goes to the ...
by rdonnerhack
2011-08-09 22:33
Forum: Olders
Topic: [BUG] Thread Deadlock When Multiple Viewers Connect at Once
Replies: 3
Views: 5163

[BUG] Thread Deadlock When Multiple Viewers Connect at Once

Our software team has a product that typically utilizes concurrent connections to an UltraVNC 1.0.9.6.1 Server. However, we have come across intermittent deadlocks which requires killing and then restarting the process. I was able to reproduce the issue by doing the following:
- Write a script to ...

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