Since a few months I am suffering from frequent connectivity loss (every 3
minutes) of my wireless network with one PC. I have tried varios solutions
but have not found a solution yet. Please help becaus I am ready to learn my
PC how to fly :-(

OS: window XP (eng)
AMD Athlon 800mhz with 256 RAM
Wireless router Sitecom
Wireless adapter (PCI) Sitecom WL-016 Wireless Network PCI Card 11 Mbps

Before I had a usb wireless adapter with which i had some problems due to
which I changed to PCI