Speed Up Verifying Signature Splash Screen Edit the hosts file on the PC and paste in the following entries to speed up the Verifying Signature splash screen displayed when launching the designer or a client. 127.0.0.1 ocsp.digicert.com 127.0.0.1 crl3.digicert.com 127.0.0.1 crl4.digicert.com On Windows, this file is: C:\Windows\System32\drivers\etc\hosts On Linux, this file is: /etc/hosts