I think I posted on this before, but I have a client who still cannot launch the ICA files. I have taken the following steps to no avail He is running XP SP2 and IE6 1) Un-installed web client and re-installed with Full PN client (version 11) 2) Cleared Temp files in IE. 3) Unchecked "Do not save encrypted files to disk 4) Cleared the HLKM/software/Microsoft/MSLicensing/Store?license00x keys 5) Run wfica32.exe /setup 6) Removed Google and Yahoo Toolbars. 7) Double checked file associations. I have tried right-clicking and saving the ICA file, then launching it manually. Still no luck I think next I will try an exorcism.