Where are my VS Setup logs?
When installations fail, the first thing to do is to check the setup logs.
The logs provide an insight as to what happened.
Most of the logs are in your %temp% folder. The logs will look like:
The SQL logs are stored in a different location though. If SQL Server Express fails, the logs can be found under:
\Program Files\Microsoft SQL Server\90\Setup Bootstrap\LOG
When submitting a bug or posting to a newsgroup, cut-n-paste the error and the lines above the error to help us debug your failure.