Citrix Receiver Troubleshooting Guide Link !new! Guide
Certificate & TLS issues
Receiver cache & profile reset
Citrix Receiver has reached End of Life (EOL) for many versions. If you are using an older version, it is highly recommended to upgrade to Citrix Workspace app . The troubleshooting steps for Workspace app generally apply to Receiver as well. citrix receiver troubleshooting guide link
Suggested one-page troubleshooting checklist (compact) Certificate & TLS issues Receiver cache & profile