Notepad Error Cannot connect to the CritixXenApp server

Hi,
I just tried to launch my Notepad and I received this error message saying “Unable to launch your application. Contact your help desk with the following information: Cannot connect to the CritixXenApp server. Protocol Driver error”. I want to fix this issue ASAP. Please help me. Thanks.

Notepad ERROR
Unable to launch your application. Contact your help desk with the following information: Cannot connect to the CritixXenApp server. Protocol Driver error.
