My NWDI 2004s's MAXDB has become unstable after doing the defrag on my PC; Windows XP Pro with 2GB RAM. NWDI starts but the MAXDB stops after a while. Is there anyone with same issues? While doing the defrag, the database for MAXDB wasn't able to be defrag. It will skip the files, DISKD0001and DISKD0002, in the folder C:\sapdb\J7E\sapdata. So I shut down the database but the defrag still will not work. Is there anyother way to defrag the MAXDB? Or does anyone know hot fix this issue?