I got this FileNotFoundException while starting BackgroundDownloader in a my slow broad band connection ( 10kbps to 20kbps connection).

Reproduce :
a) Installed Kernel JRE installation.
b) Just after the installation -executed java -Dkernel.backgroundDownlod=false sun.mic.BackgroundDownloader on command line.

Exception :
C:\Program Files\Java\jre1.6.0\bin>java -Dkernel.backgroundDownlod=false sun.mic.BackgroundDownloader

java.io.FileNotFoundException: c:\temp\log.txt (The system cannot find the path specified)
       at java.io.FileOutputStream.openAppend(Native Method)
       at java.io.FileOutputStream.<init>(Unknown Source)
       at java.io.FileOutputStream.<init>(Unknown Source)
       at sun.misc.DownloadManager$Bundle.download(Unknown Source)
       at sun.misc.DownloadManager$Bundle.install(Unknown Source)
       at sun.misc.DownloadManager.doBackgroundDownloads(Unknown Source)
       at sun.misc.BackgroundDownloader.doBackgroundDownloads(Unknown Source)
       at sun.misc.BackgroundDownloader.main(Unknown Source)
Exception in thread "main" java.lang.IllegalStateException: Expected state of Bndle[sun_reflect_generics_scope] to be DOWNLOADED
       at sun.misc.DownloadManager$Bundle.install(Unknown Source)
       at sun.misc.DownloadManager.doBackgroundDownloads(Unknown Source)
       at sun.misc.BackgroundDownloader.doBackgroundDownloads(Unknown Source)
       at sun.misc.BackgroundDownloader.main(Unknown Source)