> Does anyone know what this error is and
> what I can do to solve it, apart from turning the update off?
How are you seeing this? What is the context for it in the log(s)?
If it is a hex value you are seeing convert it to decimal
and then do your investigation with it.
<cmd_output OS="XPsp3">
E:\>set /a c = 0x534
1332
E:\>net helpmsg %c%
No mapping between account names and security IDs was done.
</cmd_output>
> Windows update
> says this update is important for my system. I'm running Windows Vista
> Premium SP1.
> Thanks.
If you aren't already doing this, download the update and try installing it
manually. Then if there is still a problem installing it, your symptom would
be independent of the distribution mechanism and hence you may find
more knowledgeable help (e.g. someone else who has actually updated
successfully) in a newsgroup which specializes in the product being updated.
Cross-posting to SQL Setup for convenience.
Good luck
Robert Aldwinckle
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