Don't pay any attention to the message you received on the Ziegler list. It
is a HOAX. You can check it on several hoax Websites. This is from Urban
Legends and Folklore
http://urbanlegends.about.com/mbody.htm
JDBGMGR.EXE
New name. Same old hoax.
Last May, the SULFNBK.EXE hoax caused thousands of gullible users to delete
a perfectly legitimate system file. Now the same hoax is circulating, this
time targeting the equally benign JDBGMGR.EXE. As with the SULFNBK.EXE hoax,
it is likely a result of confusion caused by the Magistr virus. While the
hoax mail urges users to search for and delete the file if it is found, in
reality, JDBGMGR.EXE should be on the system - it is a standard windows
component included with Internet Explorer (at least as far back as version
3.02). For those hapless folks who've deleted the file, reinstalling
Internet Explorer or downloading an updated version of Microsoft Virtual
Machine should solve the problem.