A public fix for this case issue has been released, and is available for download.
ref: https://www.citrix.com/downloads/citrix-receiver/
ref: https://www.citrix.com/downloads/citrix-receiver/
The issue is documented in the current documentation.
ref: http://docs.citrix.com/en-us/receiver/windows/4-7/about/fixed-issues.html
◦Citrix Receiver for Windows 4.5 and 4.6 might fail to perform the scan function with the following error message:
“Your operation is canceled.”
[#LC6468]