ChunkVNC

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.x release builds need tests and feedback: https://forum.uvnc.com/viewtopic.php?t=38158

2026-03-11: CVE-2026-3787 and CVE-2026-4962 - 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

Help is very needed for:
Windows ARM/ARM64 support: https://forum.uvnc.com/viewtopic.php?t=38163 / https://github.com/ultravnc/UltraVNC/issues/346
macOS support: https://forum.uvnc.com/viewtopic.php?t=38164 / https://github.com/ultravnc/UltraVNC/issues/347
Linux support: https://forum.uvnc.com/viewtopic.php?t=38165 / https://github.com/ultravnc/UltraVNC/issues/348
*BSD support: https://forum.uvnc.com/viewtopic.php?t=38166 / https://github.com/ultravnc/UltraVNC/issues/349
*Solaris support: https://forum.uvnc.com/viewtopic.php?t=38167 / https://github.com/ultravnc/UltraVNC/issues/350

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362 topics

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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

697649 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

430820 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

1471447 Views

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

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

26 Replies

3019804 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

1192565 Views

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

Topics

Replies

Views

Last post

Sourcecode

Last post by B « 2011-11-21 18:12
Replies: 5
by globoximator » 2011-11-17 18:50

5 Replies

15736 Views

Last post by B
2011-11-21 18:12
i got a wan problem

Last post by supercoe « 2011-11-14 17:53
Replies: 4
by xdgamex » 2011-11-14 14:27

4 Replies

13847 Views

Last post by supercoe
2011-11-14 17:53
Repeater port getting closed

Last post by winmansoft « 2011-11-14 05:02
Replies: 13
by winmansoft » 2011-11-09 07:30

13 Replies

32601 Views

Last post by winmansoft
2011-11-14 05:02
Chunkvnc port problem

Last post by xdgamex « 2011-11-10 23:08
Replies: 9
by xdgamex » 2011-11-09 18:01

9 Replies

27249 Views

Last post by xdgamex
2011-11-10 23:08
Repeater interactive on Server 2008 R2?

Last post by ich « 2011-11-10 16:10
Replies: 4
by ich » 2011-11-10 00:18

4 Replies

15233 Views

Last post by ich
2011-11-10 16:10
Input problem

Last post by supercoe « 2011-11-08 02:19
Replies: 1
by filipemrocha » 2011-11-07 17:58

1 Replies

7703 Views

Last post by supercoe
2011-11-08 02:19
Viewer to Support & Repeater Port mismatch

Last post by supercoe « 2011-11-06 17:00
Replies: 2
by PaulW » 2011-11-05 22:57

2 Replies

10357 Views

Last post by supercoe
2011-11-06 17:00
Install as service directly?

Last post by supercoe « 2011-11-06 16:50
Replies: 5
by yettyn » 2011-10-08 18:40

5 Replies

18923 Views

Last post by supercoe
2011-11-06 16:50
Problems with password

Last post by supercoe « 2011-10-25 17:44
Replies: 22
by globoximator » 2011-09-11 08:23

22 Replies

53856 Views

Last post by supercoe
2011-10-25 17:44
Repeater sees ChunkViewer connections but "protocol erro"

Last post by jogz « 2011-10-20 16:06
Replies: 3
by jogz » 2011-10-20 00:45

3 Replies

12861 Views

Last post by jogz
2011-10-20 16:06
Mac Viewer

Last post by B « 2011-10-17 21:56
Replies: 5
by globoximator » 2011-10-16 21:11

5 Replies

15406 Views

Last post by B
2011-10-17 21:56
UltraVNC vs ChunkVNC

Last post by B « 2011-10-07 21:20
Replies: 1
by alexmagnum » 2011-10-07 12:16

1 Replies

8471 Views

Last post by B
2011-10-07 21:20
Reconnecting after reboot

Last post by KapaiKiwi « 2011-10-06 20:24
Replies: 11
by tanza14 » 2011-09-15 16:19

11 Replies

29112 Views

Last post by KapaiKiwi
2011-10-06 20:24
ChunkVNC 3.3.1 Release!

Last post by KapaiKiwi « 2011-10-06 01:16
Replies: 13
by supercoe » 2011-09-13 18:22

13 Replies

31426 Views

Last post by KapaiKiwi
2011-10-06 01:16
MAC Client

Last post by B « 2011-10-04 20:11
Replies: 13
by quantex » 2011-01-26 16:51

13 Replies

34602 Views

Last post by B
2011-10-04 20:11
Feature Request: Virtual Remote Printer

Last post by B « 2011-09-21 23:12
Replies: 2
by B » 2011-09-21 22:31

2 Replies

11462 Views

Last post by B
2011-09-21 23:12
Chunk on Windows 7 Home Premium

Last post by supercoe « 2011-09-20 17:31
Replies: 11
by reverett » 2011-09-15 15:13

11 Replies

28847 Views

Last post by supercoe
2011-09-20 17:31
[3.3.1] Screen update

Last post by supercoe « 2011-09-17 22:39
Replies: 6
by drew » 2011-09-16 10:23

6 Replies

18909 Views

Last post by supercoe
2011-09-17 22:39
Primary screen to the right

Last post by supercoe « 2011-09-15 13:27
Replies: 10
by boglode » 2011-09-14 11:25

10 Replies

27797 Views

Last post by supercoe
2011-09-15 13:27
newest Source Code of SC ?

Last post by supercoe « 2011-09-14 18:00
Replies: 1
by B » 2011-09-14 16:11

1 Replies

8382 Views

Last post by supercoe
2011-09-14 18:00
ChunkVNC viewer settings

Last post by tanza14 « 2011-09-14 01:13
Replies: 2
by tanza14 » 2011-09-14 00:10

2 Replies

10435 Views

Last post by tanza14
2011-09-14 01:13
vnc authentication password

Last post by supercoe « 2011-09-12 20:42
Replies: 4
by tanza14 » 2011-09-10 18:44

4 Replies

13946 Views

Last post by supercoe
2011-09-12 20:42
Chunk just stopped working.

Last post by tanza14 « 2011-09-12 15:18
Replies: 28
by ignatz » 2011-08-08 17:48

28 Replies

61800 Views

Last post by tanza14
2011-09-12 15:18
Is there an upgrade guide for the Perl script?

Last post by rcooke « 2011-09-12 14:34
Replies: 9
by rcooke » 2011-09-07 13:14

9 Replies

24498 Views

Last post by rcooke
2011-09-12 14:34
Compiler entries

Last post by B « 2011-09-07 23:50
Replies: 5
by mudshark » 2011-09-04 00:35

5 Replies

14693 Views

Last post by B
2011-09-07 23:50
Can I use "standard" Winvnc & viewer with the PERL rptr?

Last post by supercoe « 2011-09-07 17:16
Replies: 7
by rcooke » 2011-09-07 14:49

7 Replies

17799 Views

Last post by supercoe
2011-09-07 17:16
Reminder about:Error opening the destination file

Last post by B « 2011-09-07 16:07
Replies: 1
by JonD » 2011-09-07 03:17

1 Replies

8845 Views

Last post by B
2011-09-07 16:07
ChunkVNC 3.3 Release

Last post by supercoe « 2011-09-06 05:52
Replies: 2
by supercoe » 2011-09-03 04:04

2 Replies

10945 Views

Last post by supercoe
2011-09-06 05:52
ChunkVNC on a Mac: InstantSupport doesn't connect?

Last post by B « 2011-08-30 22:49
Replies: 7
by spacewrench » 2011-08-30 21:16

7 Replies

38158 Views

Last post by B
2011-08-30 22:49
ChunkVNC fork by rat help

Last post by supercoe « 2011-08-30 21:49
Replies: 5
by earl110 » 2011-08-30 18:41

5 Replies

16340 Views

Last post by supercoe
2011-08-30 21:49
client only connects on lan

Last post by supercoe « 2011-08-19 03:06
Replies: 1
by kal10bach » 2011-08-18 14:37

1 Replies

8162 Views

Last post by supercoe
2011-08-19 03:06
My Adventures in Runge Land

Last post by B « 2011-08-16 13:50
Replies: 9
by Rat » 2011-07-22 09:34

9 Replies

29630 Views

Last post by B
2011-08-16 13:50
Speed Issues

Last post by supercoe « 2011-08-14 21:00
Replies: 3
by GlxyDs » 2011-08-12 22:17

3 Replies

15767 Views

Last post by supercoe
2011-08-14 21:00
UAC Protected Windows

Last post by JonD « 2011-08-02 14:02
Replies: 21
by reverett » 2011-07-14 21:18

21 Replies

109761 Views

Last post by JonD
2011-08-02 14:02
Chunk problems in Windows 7

Last post by B « 2011-08-01 19:31
Replies: 16
by KevCar » 2011-07-26 01:48

16 Replies

41485 Views

Last post by B
2011-08-01 19:31
Server pulls up VNC options window when loaded.

Last post by supercoe « 2011-07-16 04:19
Replies: 3
by amazon3d » 2011-07-14 20:23

3 Replies

11732 Views

Last post by supercoe
2011-07-16 04:19
Chunk on VMware

Last post by reverett « 2011-07-05 21:35
Replies: 9
by reverett » 2011-07-05 19:07

9 Replies

31472 Views

Last post by reverett
2011-07-05 21:35
Brief explaination of security

Last post by supercoe « 2011-07-05 20:53
Replies: 3
by reverett » 2011-07-02 05:50

3 Replies

14843 Views

Last post by supercoe
2011-07-05 20:53
no password set

Last post by supercoe « 2011-06-28 15:29
Replies: 2
by 1stkmh » 2011-06-28 15:16

2 Replies

11328 Views

Last post by supercoe
2011-06-28 15:29
ChunkVNC Upcoming Features and Requests

Last post by supercoe « 2011-06-15 20:06
Replies: 112
by supercoe » 2010-02-02 15:13
1

2

3

4
112 Replies

356339 Views

Last post by supercoe
2011-06-15 20:06
Impact of New Web-Enabled 2.x Repeater?

Last post by B « 2011-06-04 20:40
Replies: 17
by B » 2011-03-10 23:16

17 Replies

40646 Views

Last post by B
2011-06-04 20:40
2 questions for chunkvnc 3.2...

Last post by supercoe « 2011-06-03 02:44
Replies: 2
by sergarrido » 2011-06-02 15:13

2 Replies

10870 Views

Last post by supercoe
2011-06-03 02:44
Reconnect Module

Last post by supercoe « 2011-05-23 14:00
Replies: 5
by catman » 2011-05-21 10:58

5 Replies

14951 Views

Last post by supercoe
2011-05-23 14:00
help with error messages

Last post by JonD « 2011-05-15 03:28

by JonD » 2011-05-15 03:28

0 Replies

6701 Views

Last post by JonD
2011-05-15 03:28
Failing Internet Explorer 9 security checks

Last post by B « 2011-05-09 16:20
Replies: 12
by dlboy » 2011-05-03 00:40

12 Replies

44111 Views

Last post by B
2011-05-09 16:20
Compiled, repeater running, but fails to connect to server

Last post by B « 2011-05-02 18:07
Replies: 2
by KyferEz » 2011-05-02 16:14

2 Replies

10781 Views

Last post by B
2011-05-02 18:07
UltraVNC Server Property Page

Last post by supercoe « 2011-05-02 15:55
Replies: 18
by cdevine870 » 2010-12-02 17:29

18 Replies

45031 Views

Last post by supercoe
2011-05-02 15:55
Portable Viewer RS Key

Last post by redge « 2011-05-02 00:08
Replies: 7
by PaulW » 2010-12-13 23:26

7 Replies

29470 Views

Last post by redge
2011-05-02 00:08
Windows cannot find InstantSupportVNC.exe

Last post by supercoe « 2011-05-01 19:58
Replies: 5
by Johnhamcoex » 2011-04-29 21:59

5 Replies

14050 Views

Last post by supercoe
2011-05-01 19:58
Chat and Filetransfer at the same time, no?

Last post by B « 2011-04-27 20:12
Replies: 4
by yettyn » 2011-04-27 18:16

4 Replies

16901 Views

Last post by B
2011-04-27 20:12

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