have a look at

http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1304311&SiteID=1

I remember having this the first time that I tried to do a point in time restore from transaction log files, as I had added in...

For the master database I would use a backup of the production server master database.

Start the SQLServer in single user mode. (sqlservr.exe -m)

Open SSMS and restore the master database using...