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

2025-12-05: Celebrating the 23th anniversary of the UltraVNC (26th anniversary since the laying of the foundation stone): https://forum.uvnc.com/viewtopic.php?t=38130

2025-12-03: Could you please complete our poll/survey? Renaming UltraVNC files and service to be more clear: https://forum.uvnc.com/viewtopic.php?t=38128
There was a problem to vote, it is solved now! Thanks in advance!

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

Join us on social networks and share our announcements:
- Website: https://uvnc.com/
- GitHub: https://github.com/ultravnc
- Mastodon: https://mastodon.social/@ultravnc
- Bluesky/AT Protocol: https://bsky.app/profile/ultravnc.bsky.social
- Facebook: https://www.facebook.com/ultravnc1
- X/Twitter: https://x.com/ultravnc1
- Reddit community: https://www.reddit.com/r/ultravnc
- OpenHub: https://openhub.net/p/ultravnc

Search found 4301 matches

by Rudi De Vos
2025-10-01 18:26
Forum: General help
Topic: Screen blanks when lid closed on laptop
Replies: 4
Views: 107590

Re: Screen blanks when lid closed on laptop

@mvandere2: Try the virtual monitor driver, when the lid close the monitor is disconnected and VNC doesn't have a screen to clone.
by Rudi De Vos
2025-09-29 19:47
Forum: 1.6.x
Topic: UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 - Feedbacks
Replies: 22
Views: 806403

Re: UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 - Feedbacks

-kill fixed: It wasn't working at all it didn't closed anything nor did it show the Messagebox.
Changes added to git.
by Rudi De Vos
2025-09-29 17:55
Forum: 1.6.x
Topic: UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 - Feedbacks
Replies: 22
Views: 806403

Re: UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 - Feedbacks

The initial request was to add a confirmation at UltraVNC Server closing from systray...
But naturally, this should not have been implemented for the -kill.
by Rudi De Vos
2025-09-21 11:47
Forum: 1.6.x
Topic: UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 - Feedbacks
Replies: 22
Views: 806403

Re: UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 - Feedbacks

It so wierd that you try different viewers because the server can't capture it...

Please check this link it's a veracrypt option to show or not remote
https://github.com/veracrypt/VeraCrypt/issues/1513
Start VeraCrypt --allow-screencapture to be able to capture
by Rudi De Vos
2025-08-18 19:15
Forum: General help
Topic: Why is UltraVNC Server drawing CPU time when no connections?
Replies: 1
Views: 23920

Re: Why is UltraVNC Server drawing CPU time when no connections?

The service poll the desktop to see if the logon changed and the desktop part require a restart.
But this should use a lot of cpu,
The desktop part also monitor the systray, to show the systray icon when available. ( this is done every 5 seconds)
Active VNC server logging, perhaps you see some ...
by Rudi De Vos
2025-07-31 19:49
Forum: SC
Topic: SC Online Creator isn't working
Replies: 3
Views: 225323

Re: SC Online Creator isn't working

resetting netwerk interface to bring the server back online
by Rudi De Vos
2025-07-29 18:47
Forum: 1.6.x
Topic: Disable Basic AUTH on Repeater's WebGUI
Replies: 2
Views: 114910

Re: Disable Basic AUTH on Repeater's WebGUI

Prisma : The repeater has no option for it.
Tested with port 0 but then is just start it on a high port.
I have made a special build, set port to 0 and webio is not started.
- https://uvnc.eu/download/1640/repeater_0.zip

Then you still can set your settings once using port 80 and set it to 0 to ...
by Rudi De Vos
2025-07-29 18:12
Forum: General help
Topic: Disable CopyRect Encoding
Replies: 1
Views: 25298

Re: Disable CopyRect Encoding

Settings are saved in the %appdata%\UltraVNC folder on the viewer PC.
This allow to have different connection for each pc tou connect to
LOCALHOST-5900.vnc
MYREMOTEPC-5901.vnc

Open the viewer, just add some fake servername, goto options and uncheck copyrect and save
Then you will find an extra file ...
by Rudi De Vos
2025-07-11 19:22
Forum: General help
Topic: allowing connections with 3 different passwords
Replies: 3
Views: 90561

Re: allowing connections with 3 different passwords

kubajz :
- Service: It uses the .ini in %ProgramData%\UltraVNC
- Application: It uses this order to look for a config file, %AppData% differs for each user

Check the Log tab it indicate the used config file:
2025-07-11 21:23:29 using config file C:\installfolder\ultravnc.ini
2025-07-11 21:23:29 ...
by Rudi De Vos
2025-07-08 21:56
Forum: General help
Topic: Multi on UltraVNC SC
Replies: 1
Views: 27342

Re: Multi on UltraVNC SC

Need to be checked
by Rudi De Vos
2025-07-08 21:55
Forum: SC
Topic: UltraVNC SC Online Creator not working
Replies: 1
Views: 81141

Re: UltraVNC SC Online Creator not working

Should be back working, page update caused it.
by Rudi De Vos
2025-06-26 16:17
Forum: 1.6.x
Topic: UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 - Feedbacks
Replies: 22
Views: 806403

Re: UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 - Feedbacks

@VersusBG: Thanks, updated with a singned version, forgot to sign!
by Rudi De Vos
2025-06-25 20:14
Forum: 1.6.x
Topic: UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks
Replies: 14
Views: 420247

UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks

dichvu wrote: 2025-06-23 03:42

Code: Select all

Setup.msi /quiet WRAPPED_ARGUMENTS="ALLUSERS=1"
@dichvu: If ALLUSERS is a Inno Setup commandline is need to be like this with a /
- https://jrsoftware.org/ishelp/index.php ... tupcmdline

Code: Select all

Setup.msi /quiet WRAPPED_ARGUMENTS="/ALLUSERS=1"
by Rudi De Vos
2025-06-23 18:01
Forum: SC
Topic: UltraVNC SC Online Creator's down?
Replies: 3
Views: 146682

Re: UltraVNC SC Online Creator's down?

Checking, network interface seems down, resetting server.
by Rudi De Vos
2025-06-23 17:55
Forum: DSM plugin
Topic: Source code of SecureVNC Plugin
Replies: 1
Views: 36979

Re: Source code of SecureVNC Plugin

Can't find the PM.
If you tell me you GitHub login, I will give you read access on git.
by Rudi De Vos
2025-06-22 21:06
Forum: 1.6.x
Topic: UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 - Feedbacks
Replies: 22
Views: 806403

UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 - Feedbacks

Feedbacks for UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 (experimental) in this topic.

Announcement and Download links:
- https://forum.uvnc.com/viewtopic.php?t=38095

--------------------------------------------------------------------------------------

UltraVNC links (join us on social networks ...
by Rudi De Vos
2025-06-19 19:39
Forum: 1.6.x
Topic: UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks
Replies: 14
Views: 420247

UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks

@dichvu: Howto set password

UltraVNC_1630-dev_x86_Setup.msi /quiet WRAPPED_ARGUMENTS="/setpasswd=12345678"
by Rudi De Vos
2025-06-18 20:33
Forum: 1.6.x
Topic: UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks
Replies: 14
Views: 420247

UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks

@ThomasLevering: info is indeed bigger then 1024
TCHAR msg[1024] and wchar_t w_body[1024]; increased to 2048

Thanks for the feedback
by Rudi De Vos
2025-06-17 19:28
Forum: General help
Topic: What is SendExtraMouse in .ini ?
Replies: 1
Views: 44014

Re: What is SendExtraMouse in .ini ?

The time stamp for the event, in milliseconds. If this parameter is 0, the system will provide its own time stamp.
dwExtraInfo
if set #define DWEXTRA_VNC_REMOTE 0x564e4300 is used

Date: donderdag 9 augustus 2018
Committer: chrispeto
Flag to send mouse extra parameter with mouse events

Sorry, can ...
by Rudi De Vos
2025-06-17 17:39
Forum: General help
Topic: Cursor
Replies: 3
Views: 35805

Re: Cursor

Posible solutions that worked for other

**1)
If you have trouble seeing a mouse cursor on a Windows 10 machine with no mouse attached, you can enable the "mouse control using Numpad keys" feature:

Open start menu.
Click the "Settings" cog
Click the "Ease of Access" menu item
Select "Mouse" in the ...
by Rudi De Vos
2025-06-16 21:35
Forum: General help
Topic: How to disable the "Setting" function?
Replies: 1
Views: 43030

Re: How to disable the "Setting" function?

AllowProperties=0 is indeed the setting
Verify the the config file location (about show the location), it need to be in the correct file
by Rudi De Vos
2025-06-16 20:36
Forum: 1.6.x
Topic: UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks
Replies: 14
Views: 420247

UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks

@ThomasLevering: will check, without manifest the 6.2 is used for all higher version
by Rudi De Vos
2025-06-04 19:37
Forum: 1.6.x
Topic: UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks
Replies: 14
Views: 420247

UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks

@WoodyWoody: No, it isn't in the changes list.
by Rudi De Vos
2025-06-02 20:25
Forum: 1.6.x
Topic: UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks
Replies: 14
Views: 420247

UltraVNC 1.6.3.0-dev and UltraVNC SC 1.6.3.0-dev - Feedbacks

Feedbacks for UltraVNC 1.6.3.0-dev (test) and UltraVNC SC 1.6.3.0-dev (experimental) in this topic.

Changelog since the previous stable build:
Version 1.6.3.0-dev – June 2025
- vncviewer crash fix (#58)
- Empty password detection (also for SC) fix
- Bug in undefer_input() that misplaced the input ...
by Rudi De Vos
2025-05-21 20:30
Forum: 1.6.x
Topic: UltraVNC 1.6.1.0 and UltraVNC SC 1.6.1.0 - Feedbacks
Replies: 39
Views: 522977

Re: UltraVNC 1.6.1.0 and UltraVNC SC 1.6.1.0 - Feedbacks

@Ivanhoe: UltraVNC SC 1.6.2.0-dev: Default settings to ask password has been changed and UltraVNC Viewer listenport is used.
by Rudi De Vos
2025-05-20 20:10
Forum: 1.6.x
Topic: UltraVNC 1.6.1.0 and UltraVNC SC 1.6.1.0 - Feedbacks
Replies: 39
Views: 522977

Re: UltraVNC 1.6.1.0 and UltraVNC SC 1.6.1.0 - Feedbacks

Still in the ultravnc.ini file.

The default location of this file has changed to %ProgramData% but there is a fallback system.

If you open the About window, the config file location is indicated.
by Rudi De Vos
2025-05-20 20:07
Forum: 1.6.x
Topic: UltraVNC 1.6.2.0-dev and UltraVNC SC 1.6.2.0-dev - Feedbacks
Replies: 4
Views: 68076

UltraVNC 1.6.2.0-dev and UltraVNC SC 1.6.2.0-dev - Feedbacks

Feedbacks for UltraVNC 1.6.2.0-dev (test) and UltraVNC SC 1.6.2.0-dev (experimental) in this topic.

Changelog since the previous stable build:
Version 1.6.2.0-dev – May 2025
- FileTransfer win11 # 57212802 fix
- Load config in listen mode fix
- Refactor default/server specific settings added option ...