Shouldn't people just be warned against using RealPlayer?
... there - somebody had to say it.
Security watchers warn that an unpatched vulnerability in RealPlayer poses a severe risk. A flaw in RealPlayer 11 build 6.0.14.748 might be used to inject hostile code onto Windows boxes running the software, security notification firm Secunia warns. Other versions of the media player software may also be vulnerable. The …
Simple as that, never adds itself to your start-up group, takes a lot less power, plays all RM files...
While I'm at it, dump Quick Time and use Quick Time Alternative...
http://www.free-codecs.com/download/Real_Alternative.htm
http://www.free-codecs.com/download/QuickTime_Alternative.htm
Whilst Real Alternative and QT Lite are massively preferable to RealPlayer/QuickTime, they still contain the same security holes as the originals. Which have demonstated their authors' security uselessness again and again.
Best to install the Alternatives with the 'browser plug-in' option turned off so that these vulnerabilities are not exposed to every web site you visit. Or even better, if you don't need DirectShow Real/QT support, don't install them at all and let VLC handle it.
(This does mean that embedded media players won't work, obviously. The inconvenience of this can, however, be reduced using the Firefox Download Embedded Plugin, which lets you grab media from embedded players easily, so you can then play using a proper, non-postage-stamp-sized media player of your choice.)