Issue: SSL Error 61 when Launching Citrix Application/Desktop in Linux from Firefox BrowserSolution:1) Do a search on your machine for the file mentioned in error. In this case, VeriSign_Class_3_Public_Primary_Certification_Authority_-_G5.crt. If not available, Download necessary file from https://www.symantec.com/page.jsp?id=roots2) Copy file into home//ICAClient/linuxx86/keystore/cacerts/Now launch your Citrix applications or Desktop.