The Component Object Model (COM) technology is used extensively in Internet Explorer.
It allows third parties to add functionalities via Browser Helper Objects (BHO); and allows websites to offer rich content via Active X.
Look on the base directory of the CD on the floppy that would have been supplied with the machine or hardware. To do this just simply put a tick into “CD-ROM driver” and/or “Floppy disk drives” and then click next.Display Adapters, Other Devices, Modem, etc.) this will then subhead to the device/s present on the computer under that category.These may or may not have a Question mark, or an exclamation mark.This runs in the background, telling you when new critical updates are available.In general, if you don't know otherwise then you should install all the critical updates, and leave the others.Once it is finished, you will probably be asked to reboot the computer.