Hi,

I am running Leo4all v3 10.5.2

I also had this issue, but when i switched from PCI WiFi card (D-Link DWL-G510 Rev c) to the USB WiFi stick(D-Link DWL-G122) , the problem solved.

Xbench score = 155 (Without Disk Test)

Xbench Score = 122 (With Disk Test)

My sys config::

AMD Athlon FX-60 @ 2.6 GHz
Asus A8N -SLI Deluxe
2 GB Mushkin DDR500 Ram @ 400 MHz
eVGA 8800GT SC 512 MB (GFX-String with NVinstaller.41 and patched Div ID Files, QE / CI Enabled)
Asus SATA DVD-RW
Seagate 250 GB SATA II HDD