Hi Edward,
Can you check the NTFS file permissions of the stunnel bin directory and DLL files? If stunnel is configured yo run as a service , it should run with the System account. It would be a very strange case, but maybe system doesn’t have permissions to read and execute the DLLs… Also check the system PATH.
Regards Jose
On 18/07/2025, at 1:54 AM, Edward Smithson via stunnel-users stunnel-users@stunnel.org wrote:
Thanks for your reply, Christian [and others]
We are running Stunnel as a service (Stunnel TLS wrapper) It is version 5.75 We get the message after a user logs on The following DLLs are present in Program Files (x86)\stunnel\bin libcrypto-3-x64.dll libgcc_s_seh-1.dll libssl-3-x64.dll libssp-0.dll
Yours,
Ed
-----Original Message----- From: Christian Ullrich via stunnel-users stunnel-users@stunnel.org Sent: 16 July 2025 16:11 To: stunnel-users@stunnel.org Subject: [stunnel-users] Re: Error message when trying to set Stunnel as a start up app
- 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?
-- Christian
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