Epson 730c - PowerLite Projector Product Support Bulletin page 15

VCOM Driver
The following message is shown after the VCOM driver is installed on your PC.
Select "No, not this time" item and continue the Plug&Play of the device.
8.) Notes:
When you add the program to Exceptions list, the program can receive network
communication from outside. This may cause a security risk such as exposure to a virus
attack.
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PSB.2004.10.002