WSAM (8.2+) & Pulse SAM (5.2+) fail to install/ launch, the following error message will be observed:
The users's log file(s) will also contain the following message:
“The Juniper Networks TDI Filter Driver (NEOFLTR_XXX_XXX) service failed to start due to the following error:
Windows cannot verify the digital signature for this file. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source.”
When attempting to launch WSAM, or any of the other clients, an error message may also appear regarding an unsigned driver. The verbiage may vary; but will contain a message stating "Windows requires a digitally signed driver".
Another visual example is: