According to
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q137367
runonce entries are run once then deleted from the registry.  They are
used for setup programs, etc.

-Adam

Dave Tweed wrote:

>Tom Messenger <krist@THEGRID.NET> wrote:
>
>
>>We have a software ap running on a notebook computer with Windows2000
>>system. There is a pcmcia card with a serial port stuck in to interface to
>>external hardware. The customer has it setup to startup automatically into
>>the application program.
>>
>>The problem is that about 10% of the time, the program starts up and either
>>hasn't found the plugin card yet or it somehow gets configured wrong. Then
>>the program runs but won't allow comms. The user must exit the program and
>>restart it.
>>
>>It appears to be simply due to how windows starts up and how/when/where it
>>recognizes the plugin card. If this is so, does anyone know how to control
>>this behavior so the card is found 100% of the time?
>>
>>
>
>Is there another program that runs to configure the PCMCIA serial card?
>If so, then there's probably a simple fix, if you're comfortable with
>editing the registry.
>
>Look in the registry for the key
>  HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
>
>See if there's an entry for the PCMCIA serial card. (I assume you'll also
>find an entry for the application program here.)
>
>If so, move the entry for the PCMCIA card to the following key:
>  HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
>
>The difference is that the programs in ...\RunOnce are guaranteed to run
>to completion before all the programs in ...\Run start. The latter programs
>multitask normally and are not guaranteed to run in any particular sequence.
>
>This may cure your problem.
>
>-- Dave Tweed
>
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