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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

8627 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

5731556 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

1314353 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

1023777 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

1762776 Views

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

Topics

Replies

Views

Last post

Server Not Listening/Won't Accept Socket

Last post by ChrisCollins « 2014-02-28 05:54
Replies: 2
by ChrisCollins » 2014-02-26 23:18

2 Replies

27577 Views

Last post by ChrisCollins
2014-02-28 05:54
MSMQ

Last post by Underground « 2014-02-14 17:22
Replies: 2
by Underground » 2014-02-07 15:09

2 Replies

23754 Views

Last post by Underground
2014-02-14 17:22
VNCViewer slow termination

Last post by vitouso « 2014-02-14 14:16

by vitouso » 2014-02-14 14:16

0 Replies

8739 Views

Last post by vitouso
2014-02-14 14:16
Only a Blank Screen is shown when try to take UltraVNC

Last post by DJ7115 « 2014-01-29 16:35

by DJ7115 » 2014-01-29 16:35

0 Replies

19843 Views

Last post by DJ7115
2014-01-29 16:35
1.1.9.6 x64 install shows as Win32?

Last post by RudiDeVos « 2014-01-26 20:34
Replies: 1
by GF » 2014-01-25 01:35

1 Replies

10189 Views

Last post by RudiDeVos
2014-01-26 20:34
Using 1.0.9.6 on Win XP SP3 Not Connecting

Last post by Bonji « 2014-01-20 19:01
Replies: 3
by ShawnIT » 2014-01-14 02:12

3 Replies

27328 Views

Last post by Bonji
2014-01-20 19:01
How to change default icon in server tray icon

Last post by Bonji « 2014-01-20 18:55
Replies: 1
by nodnolse1 » 2014-01-20 12:57

1 Replies

11091 Views

Last post by Bonji
2014-01-20 18:55
Extremely slow response

Last post by megosu « 2014-01-16 09:43
Replies: 15
by rsutton » 2013-01-18 23:31

15 Replies

64475 Views

Last post by megosu
2014-01-16 09:43
Install freeze 1.1.9.6 Windows 7 64

Last post by RudiDeVos « 2014-01-14 20:28
Replies: 1
by px03afk » 2014-01-14 11:56

1 Replies

10243 Views

Last post by RudiDeVos
2014-01-14 20:28
Cannot authenticate windows 8 64 bit

Last post by mike611 « 2014-01-09 19:30

by mike611 » 2014-01-09 19:30

0 Replies

10963 Views

Last post by mike611
2014-01-09 19:30
Termination of any pgm causes Appl.Error when session active

Last post by B0ff1n « 2014-01-09 16:19
Replies: 6
by jeffw_00 » 2013-12-23 18:24

6 Replies

25275 Views

Last post by B0ff1n
2014-01-09 16:19
Connection dropped, trying to reconnect

Last post by peking1983 « 2014-01-08 19:08
Replies: 6
by peking1983 » 2013-09-18 15:34

6 Replies

40887 Views

Last post by peking1983
2014-01-08 19:08
Grey screen but only over WiFi and after working for a while

Last post by oshb5 « 2014-01-08 16:35

by oshb5 » 2014-01-08 16:35

0 Replies

19789 Views

Last post by oshb5
2014-01-08 16:35
Refresh on Windows 8

Last post by tetiferr « 2013-12-27 13:50
Replies: 5
by tetiferr » 2013-12-10 18:29

5 Replies

21338 Views

Last post by tetiferr
2013-12-27 13:50
How to Compile ultravnc server

Last post by black1 « 2013-12-26 12:23
Replies: 3
by black1 » 2013-12-26 08:56

3 Replies

16993 Views

Last post by black1
2013-12-26 12:23
Issues with downloads of 1.1.9.6

Last post by RudiDeVos « 2013-12-23 19:29
Replies: 1
by RodolfoGiovanninetti » 2013-12-23 18:26

1 Replies

11103 Views

Last post by RudiDeVos
2013-12-23 19:29
Repeater Crashing

Last post by Nick_od « 2013-12-19 06:45
Replies: 13
by Nick_od » 2013-09-12 10:30

13 Replies

50761 Views

Last post by Nick_od
2013-12-19 06:45
Error while using compiler.exe wid new version of winvnc.exe

Last post by winman « 2013-12-16 14:49

by winman » 2013-12-16 14:49

0 Replies

8409 Views

Last post by winman
2013-12-16 14:49
Turbomode

Last post by Prisma « 2013-12-16 12:37
Replies: 9
by Prisma » 2013-12-02 09:05

9 Replies

29363 Views

Last post by Prisma
2013-12-16 12:37
winvnc reverse connection + service + autoclose?

Last post by robplatt « 2013-12-13 17:32
Replies: 11
by robplatt » 2013-12-09 22:24

11 Replies

38492 Views

Last post by robplatt
2013-12-13 17:32
Method to install UltraVNC viewer ONLY

Last post by Matt5150 « 2013-12-11 19:34
Replies: 3
by Matt5150 » 2013-11-08 21:59

3 Replies

20011 Views

Last post by Matt5150
2013-12-11 19:34
ultravnc server pending clients empty (connecting with repea

Last post by zuri111 « 2013-12-11 17:21
Replies: 4
by zuri111 » 2013-11-29 08:21

4 Replies

32944 Views

Last post by zuri111
2013-12-11 17:21
Dual Monitors Not Working - Crashes Too

Last post by RudiDeVos « 2013-12-05 17:24
Replies: 18
by war59312 » 2013-07-09 03:27

18 Replies

71650 Views

Last post by RudiDeVos
2013-12-05 17:24
Problem with UltraVNC Crashing IE at Client End

Last post by RudiDeVos « 2013-12-03 19:27
Replies: 29
by cpgit » 2013-11-14 12:58

29 Replies

164898 Views

Last post by RudiDeVos
2013-12-03 19:27
Server Passwords

Last post by Bonji « 2013-12-02 20:52
Replies: 2
by ColinM » 2013-11-22 14:16

2 Replies

12848 Views

Last post by Bonji
2013-12-02 20:52
CAD solution with UAC off

Last post by RudiDeVos « 2013-11-29 18:43
Replies: 48
by ColtB45 » 2010-02-26 15:49
1

2
48 Replies

425568 Views

Last post by RudiDeVos
2013-11-29 18:43
update 1.1.9.4 ( tests )

Last post by RudiDeVos « 2013-11-28 10:22
Replies: 34
by RudiDeVos » 2013-10-13 19:55
1

2
34 Replies

167462 Views

Last post by RudiDeVos
2013-11-28 10:22
Windows 8 video problem

Last post by Bruce A. Johnson « 2013-11-27 04:47
Replies: 9
by Bruce A. Johnson » 2013-11-18 23:53

9 Replies

35824 Views

Last post by Bruce A. Johnson
2013-11-27 04:47
How to combile ultraVNC, step by step

Last post by advcom « 2013-11-21 23:44
Replies: 4
by advcom » 2013-11-19 17:17

4 Replies

21399 Views

Last post by advcom
2013-11-21 23:44
Keyboard sends only 4 char under Win2012

Last post by sandman42 « 2013-11-20 15:28

by sandman42 » 2013-11-20 15:28

0 Replies

8097 Views

Last post by sandman42
2013-11-20 15:28
No systray icon + behavior

Last post by CuiZinieR « 2013-11-20 07:30
Replies: 2
by CuiZinieR » 2013-11-19 09:04

2 Replies

13195 Views

Last post by CuiZinieR
2013-11-20 07:30
Black screen

Last post by daniel.s « 2013-11-19 13:30
Replies: 1
by daniel.s » 2013-11-18 15:12

1 Replies

10657 Views

Last post by daniel.s
2013-11-19 13:30
Problems after Windows update

Last post by rcooke « 2013-11-14 21:17
Replies: 1
by Heider » 2013-10-10 14:31

1 Replies

11844 Views

Last post by rcooke
2013-11-14 21:17
sourcecode 841

Last post by wang6j2 « 2013-11-09 06:03
Replies: 3
by wang6j2 » 2013-11-04 03:58

3 Replies

16298 Views

Last post by wang6j2
2013-11-09 06:03
compile with vs2010 undeclared identifier

Last post by teacherwilli « 2013-11-08 16:19
Replies: 2
by teacherwilli » 2013-11-08 15:22

2 Replies

24737 Views

Last post by teacherwilli
2013-11-08 16:19
incompatibility with notebook video driver

Last post by cycor « 2013-11-08 10:15
Replies: 3
by burzek » 2013-10-25 15:15

3 Replies

17840 Views

Last post by cycor
2013-11-08 10:15
1.1.9.x Installer Broken does not install client

Last post by RudiDeVos « 2013-11-05 18:10
Replies: 1
by stevebovy » 2013-11-05 17:22

1 Replies

12169 Views

Last post by RudiDeVos
2013-11-05 18:10
Win 7 64 Bit Stuck in View Only

Last post by SemiTechGuy « 2013-11-04 16:20

by SemiTechGuy » 2013-11-04 16:20

0 Replies

9163 Views

Last post by SemiTechGuy
2013-11-04 16:20
ultravnc stopped working after windows update

Last post by shango « 2013-10-31 00:04
Replies: 8
by buaku » 2011-07-28 03:33

8 Replies

50059 Views

Last post by shango
2013-10-31 00:04
Server issue or my router?

Last post by RudiDeVos « 2013-10-29 18:09
Replies: 1
by billsey » 2013-10-29 17:49

1 Replies

10110 Views

Last post by RudiDeVos
2013-10-29 18:09
Install UltraVNC remote using RDP - Windows 7 Simplified pls

Last post by BrentNewland « 2013-10-18 09:10
Replies: 6
by rdrunna » 2011-06-09 23:28

6 Replies

43440 Views

Last post by BrentNewland
2013-10-18 09:10
Bug or еrror Repeater

Last post by Nick_od « 2013-10-16 05:39
Replies: 8
by Nick_od » 2013-10-03 07:16

8 Replies

30849 Views

Last post by Nick_od
2013-10-16 05:39
Win7 64 bit to XP 32 bit keyboard does not work

Last post by RudiDeVos « 2013-10-15 23:05
Replies: 3
by Rhunt » 2013-10-15 19:59

3 Replies

18140 Views

Last post by RudiDeVos
2013-10-15 23:05
svn sources

Last post by RudiDeVos « 2013-10-11 09:00

by RudiDeVos » 2013-10-11 09:00

0 Replies

6688 Views

Last post by RudiDeVos
2013-10-11 09:00
viewer crash

Last post by RudiDeVos « 2013-10-01 18:13
Replies: 1
by chaoztc » 2013-09-30 22:48

1 Replies

8288 Views

Last post by RudiDeVos
2013-10-01 18:13
Workstation 10 and VMs remote control problem

Last post by RudiDeVos « 2013-09-30 15:50
Replies: 14
by balubeto » 2013-09-20 15:01

14 Replies

47503 Views

Last post by RudiDeVos
2013-09-30 15:50
Problem with the Windows clipboard

Last post by balubeto « 2013-09-30 08:53

by balubeto » 2013-09-30 08:53

0 Replies

7220 Views

Last post by balubeto
2013-09-30 08:53
More problems with 1.1.9.3

Last post by RudiDeVos « 2013-09-24 12:39
Replies: 2
by RudiDeVos » 2013-09-24 07:46

2 Replies

13048 Views

Last post by RudiDeVos
2013-09-24 12:39
Users prohibited from logging in

Last post by RudiDeVos « 2013-09-24 07:31
Replies: 1
by foghorn1871 » 2013-09-24 03:58

1 Replies

21514 Views

Last post by RudiDeVos
2013-09-24 07:31
Share one virtual desktop when run desktops.exe

Last post by OgiNikolov « 2013-09-22 17:12

by OgiNikolov » 2013-09-22 17:12

0 Replies

7535 Views

Last post by OgiNikolov
2013-09-22 17:12

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