Developer discussions (mainly user-mode)

POLL: https://forum.uvnc.com/viewtopic.php?t=38128

After more 2 000 000 (two million) views on forum for 1.5.0.x development versions... and 1.6.1.0, 1.6.3.0-dev versions
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

2026-04-01: After 1.7.x, 1.8.0.X release builds need tests and feedback: https://forum.uvnc.com/viewtopic.php?t=38158

2026-03-11: CVE-2026-3787 Clarification: https://forum.uvnc.com/viewtopic.php?t=38155

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

New Topic

113 topics

Announcements

Replies

Views

Last post

Celebrating the 23th anniversary of the UltraVNC (26th anniversary since the laying of the foundation stone)

Last post by Ludovic « 2025-12-05 11:12
Posted in Announcements

by Ludovic » 2025-12-05 11:12 » in Announcements

0 Replies

460548 Views

Last post by Ludovic
2025-12-05 11:12
Poll: Renaming UltraVNC files and service to be more clear

Last post by Ludovic « 2025-12-03 20:20
Posted in Announcements

by Ludovic » 2025-12-03 20:20 » in Announcements

0 Replies

221412 Views

Last post by Ludovic
2025-12-03 20:20
UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 Released

Last post by Ludovic « 2025-06-25 16:38
Posted in Announcements

by Ludovic » 2025-06-25 16:38 » in Announcements

0 Replies

1220089 Views

Last post by Ludovic
2025-06-25 16:38
UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 - Feedbacks

Last post by Ludovic « 2026-04-08 10:25
Posted in 1.6.x
Replies: 26
by Rudi De Vos » 2025-06-22 21:06 » in 1.6.x

26 Replies

2198647 Views

Last post by Ludovic
2026-04-08 10:25
Important: Please update to latest version before to create a reply, a topic or an issue

Last post by Ludovic « 2023-09-21 10:06
Posted in Announcements

by Ludovic » 2023-09-21 10:06 » in Announcements

0 Replies

970973 Views

Last post by Ludovic
2023-09-21 10:06

Topics

Replies

Views

Last post

Java Viewer Source

Last post by Rudi De Vos « 2015-03-16 18:57
Replies: 1
by lebowski » 2015-03-16 13:56

1 Replies

27292 Views

Last post by Rudi De Vos
2015-03-16 18:57
Recording and Playing The VNC session

Last post by Rudi De Vos « 2014-11-05 13:56
Replies: 3
by Sreejith » 2014-11-05 06:43

3 Replies

33094 Views

Last post by Rudi De Vos
2014-11-05 13:56
Compiling WinVNC project

Last post by Rudi De Vos « 2014-10-25 10:19
Replies: 5
by rnsudhir » 2014-10-20 10:17

5 Replies

36062 Views

Last post by Rudi De Vos
2014-10-25 10:19
1.2.0.3 source code

Last post by Rudi De Vos « 2014-09-24 11:39
Replies: 1
by joyr » 2014-09-24 09:52

1 Replies

29360 Views

Last post by Rudi De Vos
2014-09-24 11:39
The reason of repeater stop responding

Last post by jerryonnet « 2014-09-13 14:13
Replies: 1
by jerryonnet » 2014-09-12 14:23

1 Replies

22880 Views

Last post by jerryonnet
2014-09-13 14:13
win8hook.dll source code

Last post by Rudi De Vos « 2014-09-05 07:51
Replies: 1
by Engine47 » 2014-09-04 14:57

1 Replies

16188 Views

Last post by Rudi De Vos
2014-09-05 07:51
rfbFileTransferProtocol

Last post by Rudi De Vos « 2014-09-01 19:17
Replies: 1
by pyromanci » 2014-09-01 18:08

1 Replies

15906 Views

Last post by Rudi De Vos
2014-09-01 19:17
1.2.0.1 MSI installer

Last post by zigurds_kreslins « 2014-08-05 11:22

by zigurds_kreslins » 2014-08-05 11:22

0 Replies

12590 Views

Last post by zigurds_kreslins
2014-08-05 11:22
blacklist timeout increase

Last post by Rudi De Vos « 2014-03-31 20:14
Replies: 2
by szymon.nowak » 2014-03-23 10:18

2 Replies

13645 Views

Last post by Rudi De Vos
2014-03-31 20:14
Get file from server (.net, asp.net)

Last post by Rudi De Vos « 2014-03-19 12:31
Replies: 1
by massa95 » 2014-03-19 12:02

1 Replies

15702 Views

Last post by Rudi De Vos
2014-03-19 12:31
1.1.9.6 Repeater disconnects waiting servers and clients

Last post by Rudi De Vos « 2014-02-26 22:28
Replies: 9
by kobruleht » 2014-02-23 09:35

9 Replies

26432 Views

Last post by Rudi De Vos
2014-02-26 22:28
Error: Usersize 0 is written to log file after every 5 secs

Last post by kobruleht « 2014-02-17 12:26
Replies: 2
by kobruleht » 2014-02-16 20:02

2 Replies

13252 Views

Last post by kobruleht
2014-02-17 12:26
cant type sme letters on client pc

Last post by Rudi De Vos « 2014-02-13 13:54
Replies: 1
by garavi1983 » 2014-02-12 14:25

1 Replies

11503 Views

Last post by Rudi De Vos
2014-02-13 13:54
winvnc.exe is malicious??

Last post by winman « 2013-12-23 14:35
Replies: 2
by winman » 2013-12-07 05:48

2 Replies

12803 Views

Last post by winman
2013-12-23 14:35
Some reports on VncViewer

Last post by Rudi De Vos « 2013-12-10 18:20
Replies: 3
by zaksoft » 2013-12-08 12:19

3 Replies

14016 Views

Last post by Rudi De Vos
2013-12-10 18:20
activex dll interface - hide cursor

Last post by Rudi De Vos « 2013-11-22 14:53
Replies: 1
by ilebizard » 2013-11-22 13:34

1 Replies

11649 Views

Last post by Rudi De Vos
2013-11-22 14:53
how to increase the list of HOST SC

Last post by oswaldo.biolo « 2013-10-15 12:39
Replies: 2
by oswaldo.biolo » 2013-10-11 16:35

2 Replies

12513 Views

Last post by oswaldo.biolo
2013-10-15 12:39
uVNC server to remote launch vncviewer

Last post by Rudi De Vos « 2013-10-14 16:12
Replies: 1
by Mahapia » 2013-10-14 13:55

1 Replies

10987 Views

Last post by Rudi De Vos
2013-10-14 16:12
Windows 8 & Visual Studio

Last post by abdelghani « 2013-09-06 15:54
Replies: 2
by abdelghani » 2013-05-19 19:17

2 Replies

12686 Views

Last post by abdelghani
2013-09-06 15:54
can I call VNC function from in a VB2010 program?

Last post by BigChimip « 2013-07-12 11:23
Replies: 1
by sorex » 2013-06-23 19:41

1 Replies

13554 Views

Last post by BigChimip
2013-07-12 11:23
Must have downgrade to 1.0.6.5

Last post by atomzenitram « 2013-07-05 15:39

by atomzenitram » 2013-07-05 15:39

0 Replies

9825 Views

Last post by atomzenitram
2013-07-05 15:39
Ultra VNC Server hooks + second Hook

Last post by tatane16 « 2013-05-23 06:31
Replies: 2
by tatane16 » 2013-05-22 10:52

2 Replies

12202 Views

Last post by tatane16
2013-05-23 06:31
C# Embedded uVNC Client & Server

Last post by Saldash « 2013-05-09 00:15

by Saldash » 2013-05-09 00:15

0 Replies

8627 Views

Last post by Saldash
2013-05-09 00:15
File transfer blocks UI messages

Last post by Jules Fettu « 2013-05-02 12:32
Replies: 5
by jhansen » 2013-04-22 22:48

5 Replies

45594 Views

Last post by Jules Fettu
2013-05-02 12:32
Viewer is blank when you disable "Share the Server" option

Last post by Rudi De Vos « 2013-04-11 19:39
Replies: 2
by jhansen » 2013-04-10 03:01

2 Replies

15541 Views

Last post by Rudi De Vos
2013-04-11 19:39
Viewer crash when network error & dialogs

Last post by Rudi De Vos « 2013-03-23 09:44
Replies: 10
by jhansen » 2013-03-16 14:28

10 Replies

22652 Views

Last post by Rudi De Vos
2013-03-23 09:44
can ultravnc support android?

Last post by Bonji « 2013-03-05 19:40
Replies: 1
by cao kai » 2013-03-02 16:19

1 Replies

7244 Views

Last post by Bonji
2013-03-05 19:40
How to Use UltraVNC under Delphi 2010

Last post by Rudi De Vos « 2013-01-14 14:24
Replies: 1
by sheshman » 2013-01-11 20:32

1 Replies

7251 Views

Last post by Rudi De Vos
2013-01-14 14:24
Singleclick uploader how it works

Last post by Rudi De Vos « 2013-01-13 13:08
Replies: 1
by lkjlkjlkj » 2013-01-12 19:01

1 Replies

7233 Views

Last post by Rudi De Vos
2013-01-13 13:08
Rework

Last post by macintouch « 2012-12-24 09:16

by macintouch » 2012-12-24 09:16

0 Replies

5423 Views

Last post by macintouch
2012-12-24 09:16
How to transfer files with dlls or APIs??

Last post by Rudi De Vos « 2012-11-15 08:11
Replies: 1
by dkalra_sam » 2012-11-15 06:37

1 Replies

6915 Views

Last post by Rudi De Vos
2012-11-15 08:11
C++ Developer, UltraVNC Project

Last post by quickrcr « 2012-11-05 12:31

by quickrcr » 2012-11-05 12:31

0 Replies

5415 Views

Last post by quickrcr
2012-11-05 12:31
Mirror Display Questions

Last post by vbguyny « 2012-08-26 20:09
Replies: 4
by vbguyny » 2012-08-23 03:08

4 Replies

10234 Views

Last post by vbguyny
2012-08-26 20:09
Error while compiling winvnc

Last post by BigChimip « 2012-08-23 14:27
Replies: 7
by winman » 2012-08-09 05:47

7 Replies

14814 Views

Last post by BigChimip
2012-08-23 14:27
Repeater port getting closed

Last post by winman « 2012-08-22 14:29

by winman » 2012-08-22 14:29

0 Replies

5550 Views

Last post by winman
2012-08-22 14:29
error while trying to digital sign winvnc.exe

Last post by winman « 2012-08-13 06:43
Replies: 2
by winman » 2012-08-08 12:28

2 Replies

7763 Views

Last post by winman
2012-08-13 06:43
Error while compiling winvnc2

Last post by winman « 2012-08-13 06:34
Replies: 2
by winman » 2012-08-08 12:24

2 Replies

7532 Views

Last post by winman
2012-08-13 06:34
Patch to get the Option Key working on OSX connections

Last post by gjpc « 2012-06-26 00:14

by gjpc » 2012-06-26 00:14

0 Replies

5159 Views

Last post by gjpc
2012-06-26 00:14
How to launch vnc viewer with VB6 or shell.

Last post by Bohong Wang « 2012-05-16 03:10

by Bohong Wang » 2012-05-16 03:10

0 Replies

5244 Views

Last post by Bohong Wang
2012-05-16 03:10
1SCDLL.dll in C# Application

Last post by ali_spindler « 2012-04-23 14:28

by ali_spindler » 2012-04-23 14:28

0 Replies

4793 Views

Last post by ali_spindler
2012-04-23 14:28
Windows 7

Last post by eranbx « 2012-03-20 00:43

by eranbx » 2012-03-20 00:43

0 Replies

4622 Views

Last post by eranbx
2012-03-20 00:43
How To Submit Bug Fixes?

Last post by yn0t « 2012-03-08 21:55

by yn0t » 2012-03-08 21:55

0 Replies

4564 Views

Last post by yn0t
2012-03-08 21:55
How do diffrent reconnection

Last post by setur « 2012-03-06 08:48
Replies: 1
by setur » 2012-02-24 07:32

1 Replies

5373 Views

Last post by setur
2012-03-06 08:48
How to find Ultravnc Viewer Registry Entry Path

Last post by martinx « 2012-02-16 15:21

by martinx » 2012-02-16 15:21

0 Replies

4405 Views

Last post by martinx
2012-02-16 15:21
ULTR@VNC VIEWER ACTIVEX CONTROL

Last post by sbayana « 2012-01-13 18:43

by sbayana » 2012-01-13 18:43

0 Replies

4190 Views

Last post by sbayana
2012-01-13 18:43
Control uvnc_service with user privileges

Last post by B « 2012-01-06 19:39
Replies: 7
by 4bst1n3nz » 2012-01-03 14:08

7 Replies

14610 Views

Last post by B
2012-01-06 19:39
How to save myframebuffer as a bmp file

Last post by robingchan « 2011-11-03 13:13
Replies: 2
by peterpansh » 2011-06-11 03:53

2 Replies

5659 Views

Last post by robingchan
2011-11-03 13:13
Revolving Password

Last post by supercoe « 2011-10-18 22:05
Replies: 4
by ninefofo » 2011-10-14 15:32

4 Replies

7773 Views

Last post by supercoe
2011-10-18 22:05
VNC viewer API in Visual Studio

Last post by zaleo « 2011-10-15 18:45

by zaleo » 2011-10-15 18:45

0 Replies

4235 Views

Last post by zaleo
2011-10-15 18:45
Patch/Update VNCViewer help options VNCOptions.cpp line 1196

Last post by BigChimip « 2011-10-14 03:10

by BigChimip » 2011-10-14 03:10

0 Replies

3885 Views

Last post by BigChimip
2011-10-14 03:10

New Topic

113 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum