Clear the Receiver Cache.
Download and install the latest version of the client software. 4. Official Citrix Troubleshooting Resources citrix receiver troubleshooting guide link
For managed corporate devices, contact your IT helpdesk to push the required certificate via Group Policy. Account Configuration and Store URL Issues Clear the Receiver Cache
Download the to completely wipe traces of old, corrupted installations. citrix receiver troubleshooting guide link
“I can’t see my icons.” User 2: “It spins for a minute and then says ‘Protocol Driver Error’. Help?” User 3: “My Receiver is just a white screen.”
Error: "SSL Error 61: You have not chosen to trust the certificate"