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I have a db application, running for almost 20 years, regularly added-to as the need arises. Several years ago I added a helper form to an address field, forcing some consistency in the data entry. OnClick of the TDBEdit opens a new form with separate fields for parts of the address. ln the last several days this helper form does not trigger. But only on the development machine, Win 10-64 home, up to date (but no updates show for the last several weeks). If I transport the compiled program to the production system, Win-7, everything works normally, as before. I don't know where to begin looking. I have started to cobble something to make it work, but that's not the right answer. Any thoughts? Phil

I am using ICS TSslFTPServer (FtpSslType=ftpAuthTls,ftpAuthSsl) and TSslWSocketServer (SslEnable=True) on my Server side application along with TSslContext wherein I am pointing to SslPrivKeyFile and SslCertFile to your sample 01key.pem and 01cert.pem respectively. My Client Application connects and all is well. problem-1) If I try to change the certificates to another of your provided examples or If I build with OpenSSL it gives error 'Can't read certificate file ... error:0909006C:PEM routines:get_name:no start line' problem-2) Using SSL I lose compatibility with WinXP and probably with Vista too. Is there a workaround ? (Angus has suggested me to use the IcsHosts property instead of SslContext but I will need to do more work to get it working for me, hope I am using above mentioned components properly to begin with SSL) (How I generated my own PEM files openssl genpkey -aes256 -algorithm RSA -pkeyopt rsa_keygen_bits:2048 -out 01key.pem openssl pkey -in 01key.pem -out 01cert.pem -pubout)