Zoltan - This, of course, is the historic "Many small files" challenge. Recommendations on it are summarized in ADSM QuickFacts, based upon our communal pursuit of it in our shops.
You've provided no information about the client system itself, where memory and swap space contribute to the issue, but the larger factors being the Windows level and the bitmode of the OS and hardware. A system like that cries out for 64-bit, latest OS, and lots of memory. Richard Sims
