PFManager uses HTTPS to securely connect to The Pixel Farm's servers, which is implemented using the free OpenSSL library. While OpenSSL is usually included in Linux and macOS, it is not installed by default on Windows.
If PFManager cannot locate a suitable OpenSSL library on your workstation, the following error will appear on startup:
Looks like something is wrong. PFManager couldn’t locate OpenSSL, which is required to function. See here for how to install or trouble shoot OpenSSL.
For further information on how to install OpenSSL and resolve this issue, please see here.