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2026-09-07: UltraVNC Extend Display: https://uvnc.com/products/ultravnc-extend-display.html | viewtopic.php?t=38201

2026-09-07: After more 5 000 000 (five million) views on forum for 1.8.x.x development versions...
A new stable version, UltraVNC 1.8.2.9 has been released: viewtopic.php?t=38203
Feedback is always welcome

2026-04-01: After 1.7.x, 1.8.x release builds need tests and feedback: viewtopic.php?t=38158

2026-03-11: CVE-2026-3787 and CVE-2026-4962 - Clarification: viewtopic.php?t=38155

2025-12-02: We need help: English Wikipedia UltraVNC page has been requested to deletion: viewtopic.php?t=38127
Any help is welcome to improve the UltraVNC page and/or to comment on the Wikipedia Talk page

2025-06-25: 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: viewtopic.php?t=38095
Feedback is always welcome

2025-05-06: Forum password change request: viewtopic.php?t=38078

2023-09-21: Important: Please update to latest version before to create a reply, a topic or an issue: 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: viewtopic.php?t=38163 / https://github.com/ultravnc/UltraVNC/issues/346
macOS support: viewtopic.php?t=38164 / https://github.com/ultravnc/UltraVNC/issues/347
Linux support: viewtopic.php?t=38165 / https://github.com/ultravnc/UltraVNC/issues/348
*BSD support: viewtopic.php?t=38166 / https://github.com/ultravnc/UltraVNC/issues/349
*Solaris support: viewtopic.php?t=38167 / https://github.com/ultravnc/UltraVNC/issues/350

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Announcements

Replies

Views

Last post

UltraVNC 1.8.2.9 Released

Last post by Ludovic « 2026-09-08 19:05
Posted in Announcements

by Ludovic » 2026-09-08 19:05 » in Announcements

0 Replies

8376 Views

Last post by Ludovic
2026-09-08 19:05
UltraVNC 1.8.X.X - Feedback

Last post by lwc « 2026-09-11 19:12
Posted in 1.8.x
Replies: 148
by RudiDeVos » 2026-03-26 21:19 » in 1.8.x
1

2

3

4

5
148 Replies

5724119 Views

Last post by lwc
2026-09-11 19:12
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

1313493 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

1022939 Views

Last post by Ludovic
2025-12-03 20:20
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

1761965 Views

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

Topics

Replies

Views

Last post

High CPU usage in service mode

Last post by Vort « 2016-10-09 15:11

by Vort » 2016-10-09 15:11

0 Replies

8993 Views

Last post by Vort
2016-10-09 15:11
UltraVNC disconnects automatically after connection made

Last post by BIGAdmin « 2016-09-30 09:46
Replies: 1
by BIGAdmin » 2016-07-13 13:20

1 Replies

15824 Views

Last post by BIGAdmin
2016-09-30 09:46
Viewer crashes if I change the scale

Last post by solsen « 2016-09-23 21:02

by solsen » 2016-09-23 21:02

0 Replies

7214 Views

Last post by solsen
2016-09-23 21:02
IPv6 and 1.2.1.1

Last post by Prisma « 2016-09-21 08:03
Replies: 9
by RudiDeVos » 2016-07-15 21:38

9 Replies

37852 Views

Last post by Prisma
2016-09-21 08:03
msi signature corrupt or invalid

Last post by gm_md « 2016-09-13 15:16

by gm_md » 2016-09-13 15:16

0 Replies

7616 Views

Last post by gm_md
2016-09-13 15:16
Hack or bug?

Last post by Tki2001 « 2016-09-10 07:22
Replies: 4
by bcrown » 2016-08-31 14:26

4 Replies

22444 Views

Last post by Tki2001
2016-09-10 07:22
[BUG] Win7 vncviewer Gray Screen w/1.2.1.1 - 1.2.1.1

Last post by runsoft « 2016-09-08 07:49

by runsoft » 2016-09-08 07:49

0 Replies

10950 Views

Last post by runsoft
2016-09-08 07:49
1.2.11 x64 MSI install issue

Last post by lwinstead « 2016-09-02 13:42

by lwinstead » 2016-09-02 13:42

0 Replies

7266 Views

Last post by lwinstead
2016-09-02 13:42
Window size changes on minimize / restore

Last post by andrewk89 « 2016-08-29 00:44

by andrewk89 » 2016-08-29 00:44

0 Replies

8024 Views

Last post by andrewk89
2016-08-29 00:44
Switch Window Cause Lose Connection on Win 8 Embedded

Last post by RudiDeVos « 2016-08-08 18:55
Replies: 1
by Jerry » 2016-08-08 12:58

1 Replies

9008 Views

Last post by RudiDeVos
2016-08-08 18:55
use of hostname.local from mac clients

Last post by RudiDeVos « 2016-07-29 15:47
Replies: 3
by asheenlevrai » 2016-07-28 20:34

3 Replies

14747 Views

Last post by RudiDeVos
2016-07-29 15:47
Stable source code of latest version of UltraVNC 1.2.1.X

Last post by RudiDeVos « 2016-07-25 19:01
Replies: 1
by vineeta1shukla » 2016-07-25 17:31

1 Replies

9491 Views

Last post by RudiDeVos
2016-07-25 19:01
Single Click Reverse Connection file transfer

Last post by RudiDeVos « 2016-07-15 21:41
Replies: 5
by mikeb » 2016-03-23 16:37

5 Replies

25160 Views

Last post by RudiDeVos
2016-07-15 21:41
UltraVNC 1.2.1.1 RC3 - Download links

Last post by RudiDeVos « 2016-07-15 21:36
Replies: 19
by RudiDeVos » 2016-05-07 15:22

19 Replies

108005 Views

Last post by RudiDeVos
2016-07-15 21:36
Windows 10 Tablet Mode

Last post by RudiDeVos « 2016-07-15 20:37
Replies: 18
by JSmith » 2016-03-28 13:24

18 Replies

75739 Views

Last post by RudiDeVos
2016-07-15 20:37
Repeater 1.3 (only 99 slot can connect) mode 2

Last post by Prisma « 2016-06-29 09:47
Replies: 7
by Nick_od » 2016-06-16 08:43

7 Replies

27799 Views

Last post by Prisma
2016-06-29 09:47
Disconnects on idle or randomly?

Last post by RudiDeVos « 2016-06-05 22:08
Replies: 2
by aegrotatio » 2016-06-02 04:59

2 Replies

15539 Views

Last post by RudiDeVos
2016-06-05 22:08
UltraVNC 1.2.1.1 - Download links

Last post by VncUser2014 « 2016-06-01 11:32
Replies: 15
by RudiDeVos » 2016-05-15 21:18

15 Replies

95612 Views

Last post by VncUser2014
2016-06-01 11:32
Repeater 1.3 - Only allow connections to

Last post by Kirck « 2016-06-01 08:51
Replies: 9
by Kirck » 2016-05-26 13:14

9 Replies

33777 Views

Last post by Kirck
2016-06-01 08:51
uvnc 1.2.1.1: 16 May vs 22 May

Last post by RudiDeVos « 2016-05-31 14:15
Replies: 1
by RodolfoGiovanninetti » 2016-05-31 13:12

1 Replies

10476 Views

Last post by RudiDeVos
2016-05-31 14:15
UltraVNC viewer 1.2.1.1 unable to connect to 1.0.9.5 server

Last post by VncUser2014 « 2016-05-30 08:52
Replies: 9
by VncUser2014 » 2016-05-18 13:14

9 Replies

39965 Views

Last post by VncUser2014
2016-05-30 08:52
UltraVNC 1.2.1.1 - Translations

Last post by RudiDeVos « 2016-05-20 19:50
Replies: 1
by RudiDeVos » 2016-05-18 21:54

1 Replies

10173 Views

Last post by RudiDeVos
2016-05-20 19:50
UltraVNC 1.2.1.1 RC3 - Last call

Last post by WAJIM « 2016-05-15 20:37
Replies: 10
by RudiDeVos » 2016-05-13 09:10

10 Replies

49648 Views

Last post by WAJIM
2016-05-15 20:37
UltraVNC 1.2.1.1 RC2 - Download links

Last post by RudiDeVos « 2016-05-09 14:22
Replies: 28
by RudiDeVos » 2016-04-29 17:49

28 Replies

115025 Views

Last post by RudiDeVos
2016-05-09 14:22
UltraVNC 1.2.1.0 - Download links

Last post by RudiDeVos « 2016-05-09 08:06
Replies: 54
by RudiDeVos » 2016-01-19 21:09
1

2
54 Replies

323818 Views

Last post by RudiDeVos
2016-05-09 08:06
Server Scale II - Cannot change option

Last post by RudiDeVos « 2016-05-07 21:44
Replies: 2
by redbob » 2016-04-19 13:24

2 Replies

13063 Views

Last post by RudiDeVos
2016-05-07 21:44
How to use ultra vnc on GSM Modem Internet

Last post by RudiDeVos « 2016-05-01 21:18
Replies: 1
by sanjaythavi » 2016-05-01 04:46

1 Replies

13777 Views

Last post by RudiDeVos
2016-05-01 21:18
UltraVNC 1.2.1.1 test builds - Download links

Last post by sanjaythavi « 2016-05-01 04:32
Replies: 38
by RudiDeVos » 2016-03-07 21:38
1

2
38 Replies

225647 Views

Last post by sanjaythavi
2016-05-01 04:32
Connection appears faulty (actually a scaling/sizing prob)

Last post by RudiDeVos « 2016-04-29 21:37
Replies: 2
by paddy_m » 2016-04-28 09:46

2 Replies

21513 Views

Last post by RudiDeVos
2016-04-29 21:37
UltraVNC 1.2.1.1 RC1 - Download links

Last post by RudiDeVos « 2016-04-23 14:29
Replies: 2
by RudiDeVos » 2016-04-18 19:51

2 Replies

38631 Views

Last post by RudiDeVos
2016-04-23 14:29
Impossible to connect over VPN

Last post by RudiDeVos « 2016-04-17 10:28
Replies: 17
by Slide21 » 2016-02-25 11:34

17 Replies

67378 Views

Last post by RudiDeVos
2016-04-17 10:28
Server Scale

Last post by tpaljr63 « 2016-04-08 16:28
Replies: 2
by tpaljr63 » 2016-04-08 13:23

2 Replies

18522 Views

Last post by tpaljr63
2016-04-08 16:28
repeater 2011

Last post by schaet « 2016-04-04 11:37
Replies: 137
by RudiDeVos » 2011-03-06 15:33
1

2

3

4

5
137 Replies

823983 Views

Last post by schaet
2016-04-04 11:37
Negotiate Protocol Version Stuck

Last post by Hatrik « 2016-03-24 15:27
Replies: 1
by Hatrik » 2016-03-19 14:13

1 Replies

13878 Views

Last post by Hatrik
2016-03-24 15:27
Listen Mode, file transfer missing

Last post by mikeb « 2016-03-23 13:36

by mikeb » 2016-03-23 13:36

0 Replies

12320 Views

Last post by mikeb
2016-03-23 13:36
UltraVNC 1.2.1.0 - Todo list

Last post by OSXFeatureRequest « 2016-03-16 09:50
Replies: 11
by RudiDeVos » 2016-02-21 19:52

11 Replies

77821 Views

Last post by OSXFeatureRequest
2016-03-16 09:50
Remmina cannot connect to computer since V1.2.0.9

Last post by sergeyboev « 2016-03-15 18:44
Replies: 1
by simsus » 2015-11-30 09:53

1 Replies

16519 Views

Last post by sergeyboev
2016-03-15 18:44
How to refresh revoked GlobalSign Root CA Certificate

Last post by karlk123 « 2016-03-07 18:20

by karlk123 » 2016-03-07 18:20

0 Replies

10521 Views

Last post by karlk123
2016-03-07 18:20
Corrupted visuals in SSVNC viewer

Last post by LRN « 2016-03-05 04:13
Replies: 2
by LRN » 2016-02-05 17:07

2 Replies

15263 Views

Last post by LRN
2016-03-05 04:13
Colour change after installing 1.2.1.0

Last post by jjurkus « 2016-03-04 18:19

by jjurkus » 2016-03-04 18:19

0 Replies

8452 Views

Last post by jjurkus
2016-03-04 18:19
Silent Install of VNC

Last post by muaddlb « 2016-03-04 11:37
Replies: 11
by stevenw7159 » 2011-08-19 16:35

11 Replies

102455 Views

Last post by muaddlb
2016-03-04 11:37
bug: connection still open after client is closed

Last post by RudiDeVos « 2016-03-03 11:53
Replies: 2
by Arno-BS » 2016-02-24 15:34

2 Replies

13679 Views

Last post by RudiDeVos
2016-03-03 11:53
SetBlankMonitor function definition is missing

Last post by RudiDeVos « 2016-03-03 11:45
Replies: 9
by vineeta1shukla » 2016-03-01 04:54

9 Replies

42057 Views

Last post by RudiDeVos
2016-03-03 11:45
liblzma errors

Last post by RudiDeVos « 2016-02-29 18:14
Replies: 2
by vineeta1shukla » 2016-02-29 06:12

2 Replies

16760 Views

Last post by RudiDeVos
2016-02-29 18:14
Small bug: connection is unencrypted

Last post by RudiDeVos « 2016-02-25 15:03
Replies: 5
by spin » 2016-02-25 13:11

5 Replies

22092 Views

Last post by RudiDeVos
2016-02-25 15:03
liblzma

Last post by RudiDeVos « 2016-02-25 13:41
Replies: 1
by vineeta1shukla » 2016-02-25 11:30

1 Replies

11311 Views

Last post by RudiDeVos
2016-02-25 13:41
Idle Timeout

Last post by RudiDeVos « 2016-02-24 16:27
Replies: 1
by ninefofo » 2016-02-24 01:32

1 Replies

13957 Views

Last post by RudiDeVos
2016-02-24 16:27
bug: connection still open after client is closed

Last post by Arno-BS « 2016-02-24 15:19
Replies: 27
by burzek » 2015-03-11 09:46

27 Replies

125215 Views

Last post by Arno-BS
2016-02-24 15:19
UltraVNC 1.2.0.9 - Download links

Last post by dendor « 2016-02-23 15:38
Replies: 57
by RudiDeVos » 2015-11-03 10:25
1

2
57 Replies

298792 Views

Last post by dendor
2016-02-23 15:38
Clipboard bug

Last post by MiG « 2016-02-22 16:34
Replies: 1
by szymon.nowak » 2016-02-22 13:58

1 Replies

17596 Views

Last post by MiG
2016-02-22 16:34

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