CCSv.5.3.0.00090 installed on Linux does not open properly PDF files from help section. After clicking on a link in the help browser view, CCS first asks where to save the file and then opens a blank window. No errors were logged to the log file in workspace directory.
Attached below are windows displayed after clicking on "SYS/BIOS" -> "Getting Started Guide" in the help view
CCS asks where to save the PDF file
After saving the PDF file, CCS opens a blank window: