I too am getting 90k frequently. I have contacted SE who sent me through a wild goose chase of settings and parts. I contacted my ISP who says nothing is wrong on their end.

I have 2 computers running win 7 home. Problem only happens on one computer and when I get 90k I notice my internet resets completely in windows while the other computer is still connected with no problems.
I have researched internet connection reset which led me to disable IPV6 as well as IP Helper in windows runtime. Still didn't correct problem
I have disabled onboard nic and ran solely through PCI wireless adapter with same issues. I have updated all device drivers, same issue. I have replaced modem, same issue, I have also contacted Motorola to test modem and tests were successful.
I have also completely formatted my hard drive and reinstalled everything. Same issue of 90k.
I have also per SE suggestion setup port forwarding in my modem/router. same issue.

Anyone have any other ideas?