Hello Stunnel mailing list,
We are trying to set Stunnel (5.75) to automatically open as a start up app on Windows 11.
When the PC powers up, it gives this error message:
stunnel.exe - System Error The code execution cannot proceed because libcrypto-3-x64.dll was not found. Reinstalling the program may fix this problem.
We have tried reinstalling, but to no avail.
NB, Stunnel works fine if opened manually. This was not an issue with Windows 10.
Has anyone else had this problem (and solved it)?
Many thanks,
Ed Smithson
Ed Smithson Reader Services Librarian Nuffield College, Oxford, OX1 1NF +44(0) 1865 278551
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* Edward Smithson via stunnel-users wrote:
We are trying to set Stunnel (5.75) to automatically open as a start up app on Windows 11.
How? Shortcut in Start Menu\Programs\Startup, Run key in the Registry, registered as a service, something else?
Which stunnel version do you use?
When the PC powers up, it gives this error message:
*stunnel.exe - System Error*
*The code execution cannot proceed because libcrypto-3-x64.dll was not found. Reinstalling the program may fix this problem.*
When do you get this message? After a user logs on, or on the logon screen when the PC starts up? If you want it to run before user logon, you have to install it as a service, but that was the same in 10.
What DLLs are present in the same directory as stunnel.exe?
You can run it as a service which works well. Did you try doing that?
On 7/16/2025 11:10 AM, Christian Ullrich via stunnel-users wrote:
- Edward Smithson via stunnel-users wrote:
We are trying to set Stunnel (5.75) to automatically open as a start up app on Windows 11.
How? Shortcut in Start Menu\Programs\Startup, Run key in the Registry, registered as a service, something else?
Which stunnel version do you use?
When the PC powers up, it gives this error message:
*stunnel.exe - System Error*
*The code execution cannot proceed because libcrypto-3-x64.dll was not found. Reinstalling the program may fix this problem.*
When do you get this message? After a user logs on, or on the logon screen when the PC starts up? If you want it to run before user logon, you have to install it as a service, but that was the same in 10.
What DLLs are present in the same directory as stunnel.exe?
On 16 Jul 2025 at 13:04, Edward Smithson via stunnel-users wrote:
To: "[email protected]" [email protected] Date sent: Wed, 16 Jul 2025 13:04:19 +0000 Subject: [stunnel-users] Error message when trying to set Stunnel as a start up app patches" <stunnel-users.stunnel.org> From: Edward Smithson via stunnel-users [email protected] Send reply to: Edward Smithson [email protected]
Hello Stunnel mailing list, We are trying to set Stunnel (5.75) to automatically open as a start up app on Windows 11. When the PC powers up, it gives this error message: stunnel.exe - System Error The code execution cannot proceed because libcrypto-3-x64.dll was not found. Reinstalling the program may fix this problem. We have tried reinstalling, but to no avail. NB, Stunnel works fine if opened manually. This was not an issue with Windows 10. Has anyone else had this problem (and solved it)?
Looks like that file is located in the stunnel directory, which is probable not in path. What method are you using to load it at power up?
Could create a link to the dll, or copy it to windows folder in path.
Just a quick look.
Many thanks, Ed Smithson Ed SmithsonReader Services Librarian Nuffield College, Oxford, OX1 1NF +44(0) 1865 278551
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C Browne -
Christian Ullrich -
Edward Smithson -
Michael D. Setzer II