Win7 64bit OS Ultimate
Note: I've gotten this issue 2 or 3 times in a row.
SQLExpress 2005 install but failed.
C:\Windows\System32\secur32.dll has date of 11/17/2011 1:35AM (my other working Win7 system has a date of 9/24/2013 10:23pm
SQL log has some of the following just before the "..SQL Server service failed to start.." message
moving unmanaged resources Do_sqlScriptSqlScriptHlprStart service MSSQL$SQLExpress
3640 could not be cancelled, Error 1168
2140 could not be cancelled, Error 1168
876 could not be cancelled, Error 1168
2464 could not be cancelled, Error 1168
3832 could not be cancelled, Error 1168
3084 could not be cancelled, Error 1168
660 could not be cancelled, Error 1168
3356 could not be cancelled, Error 1168
4752 could not be cancelled, Error 1168
<Failure Type ="Fatal" Error=1067>
<EndFunc Name='LaunceFunction' Return='1067' GetLastError='203'>
CustomAction Do_sqlScript.D20239D7_E87C_40C9_9837_E70B8D488C2 returned actual error code 1603 (note this may not be 100% accurate if transaction happened inside sandbox)
I'm open to sending the log if that's important