MSConfig
or
MSConfigReminder | Startup List

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The BHO list was a project by Tony Klein and others who collected information about so called Browser Helper Objects. BHOs are plugins for Internet Explorer that are not always installed voluntarily. Information here is © 2000ff Tony Klein.
Spybot - Search & Destroy includes a Startup Manager that shows these entries.
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Startup List details for MSConfig
or
MSConfigReminder

State
N
Value
MSConfig
or
MSConfigReminder
Filename
msconfig.exe
Comment
This is an entry that appears when you uncheck an item in the Startup group, and will disappear if on the next reboot you select the option to not be reminded that you are running in Selective Startup mode