UltraVNC

Current not, all needed to be redone and it's still work in progress...
Good for telling the check doesn't work...

On hold for a few days, first need to fix some UltraVNC Server Viewer problems.

perhaps this is the issue


Release summary — May 2026
⚠ Configuration path changed: ultravnc.ini is now stored in the standard Windows locations: %AppData%\UltraVNC\ for regular users and %ProgramData%\UltraVNC\ when running as a service or with admin rights.
If you create an empty file named ...

@proger16: language pack updated with Russian:
- https://uvnc.eu/download/1800/languages_64.zip

"language (ru)" is the visible part in the language selection.

Thanks

Language pack updated with Russian:
- https://uvnc.eu/download/1800/languages_64.zip

@Sainsuper: sc_exit: can be tested:
- https://uvnc.eu/download/1800/UltraVNC_1823.zip

@vss Thanks for the corrections and french update
Merged

@proger16
I just need the 2 rc files
vnviewer.rc winvnc.rc with the files i can create the translation folders
You can pm the files

lwc Got SC working with encryption, new DSM with updated OpenSSL can't be used direct from memory.
Made change that the DSM is extracted to temp before use and it works now.

vss : Password, known issue with 1.8.2.1, fixed in 1.8.2.2.

Translations:
- https://uvnc.com/docs/ultravnc-translations ...

@lwc: SC: I was already able to test without encryption and that worked.
Next test is with plugin and key...

That fails need to be fixed.

@basso: That's explains it, common value's for different sessions.

Please, try:
- https://uvnc.eu/download/1800/vncviewer1821_basso.zip

@lwc: Just built it, lack time for deep testing.

Let me know if it works:
- https://uvnc.eu/download/1800/winvnc_SC_1821.zip

basso : When you share the same Server with multiple clients they all show the the same desktop.
VNC clones a desktop, it isn't like an RDP Server where all sessions have there own desktop.

brainshell : Thanks 1.8.2.2 will be released in a few weeks, current waiting for other little things that ...

@brainshell: Thanks, I was able to repeat on Windows 11, not on Windows 10.
1 line to fix...

Please test:
- https://www.uvnc.eu/download/1800/vncviewer1821.zip

The password is saved in ultravnc.ini.

For 1.6.4.0:
Sometimes write permission can block writing to password to the file
Copy UltraVNC Server (winvnc.exe) to a temporary folder
Run UltraVNC Server as Application
Set a password, and other settings that you want
This create a new .ini file in the ...

Sonderzzz : Running as Service:
Guest user: When he open the systray and click on settings -> nothing happen, it doesn't open
When "Administration password" is configured and [v] user can access is configured -> clicking "Settings" asks "Administration password" to open.

Only when the user is a ...

Sonderzzz : I don't understand your question.

When UltraVNC runs as Service, the .ini file is in %ProgramData% and it can be edited locally by someone with permission to write to that file.
A user can not change that file unless he is administrator. If the user is administrator, he does what he ...

no, it was made that way.

@proger16: Thanks... This was a hard one!

proger16 : Thanks for your tests.
Windows 7: I found, it's the new lib we used to zip/unzip.
Createfile2 should have never been used for Desktop apps, even not when using Windows 11, forced CreataFileW.

Single .EXE now works from Windows 7 (Windows Server 2008 R2) to Windows 11.

Changes ...

All FileTransfer... and duplicate list fixed.
Native language, possible fixed, could not repeat it... make sure that UltraVNC Server and UltraVNC Viewer are latest version.

Downloads:
- https://uvnc.eu/download/1800/UltraVNC_1810_x86_Setup.exe
- https://uvnc.eu/download/1800/UltraVNC_1810_x64_Setup ...

UI vncviewer is unicode, not winvnc.
SC is winvnc -> no unicode changes for UI

@proger16: Thanks for the feedback.

Solved:
\ ...
[C]
...
new folder

All filetransfer issue's should be fixed
Downloads:
- https://uvnc.eu/download/1800/UltraVNC_ ... _Setup.exe
- https://uvnc.eu/download/1800/UltraVNC_ ... _Setup.exe
- https://uvnc.eu/download/1800/UltraVNC_1809.zip

@proger16: Mutual exclusion added in UI
edge case "if changes direct in settings" also covered

will be in 1.8.0.7

Version 1.8.0.6 – April 2026
- FileTransfer folder transfer fix
- OpenSSL 3.6.2
- libsodium 1.0.22
- setpasswd/createpasswd write to %programdata% instead of current folder

Downloads:
- https://uvnc.eu/download/1800/UltraVNC_1806_x86_Setup.exe
- https://uvnc.eu/download/1800/UltraVNC_1806_x64_Setup ...

Folder FT is fixed: 1.8.0.5 was not transferring folders.

stefanorossetti : The password is still in ultravnc.ini.

That's now in %ProgramData% and not longer in the %ProgramFiles% folder.

setpasswd sets the password in the current folder, for now, you need to copy it, temporary, to the same ...

UltraVNC Changelog

Version 1.8.0.5 – April 2026
- FileTransfer needed bigger buffers for UTF-8/UTF-16
- UI Unicode fixes
- Unicode logging
- Baseline lib updates:
* libjpeg-turbo 3.1.4.1
* liblzma 5.8.3
* libsodium 1.0.21
* zlib 1.3.1
* zstd 1.5.7
* openssl 3.6.1

Downloads:
- https://uvnc.eu ...

UltraVNC Viewer: 1.8.0.4
UltraVNC Server: < 1.8.x
- Unicode is disabled as UltraVNC Server doesn't support it
- ANSI mode, does not support international chars

This behave the same as a UltraVNC Viewer 1.4.x or 1.6.x
You see ?????? instead of chars and natural ??? isn't find to copy at all.
Normal ...

kannweg0815 : RDP: I think it always worked like that. It requires a review but that's not for now. As far is a remember, the Server sometimes need to restart the winvnc in another desktop. To avoid to pass the RDP selection each time some trigger was added, only doesn't work 100%.

Viewer closing ...

@wojtek, @basso: Mentioned issue's fixed.

Downloads:
- https://uvnc.eu/download/1800/UltraVNC_ ... _Setup.exe
- https://uvnc.eu/download/1800/UltraVNC_ ... _Setup.exe
- https://uvnc.eu/download/1800/UltraVNC_1804.zip

@wojtek, @basso: Thanks for the feedback.
Missed those Unicode convertions, and DSM Plugin in listen mode uses other code, that also needed an update.

UltraVNC 1.8.0.3:
- Keyboard changes: Sync Server and Viewer keyboard handling, this should fix:
❌ Incorrectly handles Cyrillic (0x06a1-0x06ff) - treats as Unicode instead of X11 keysym
❌ Incorrectly handles Greek (0x07a1-0x07f9)
❌ Incorrectly handles Hebrew (0x0cdf-0x0cfa)
❌ Incorrectly handles ...