Help Please?

Hi, I'm new here and would like a little bit of help with my speed please. It seems that VanBuren really knows his stuff, and I need some tweaks. My speed my seem fast, but my downloads are slow and connection is unstable. The information below is after applying your 4000/512 cablenut settings. I don't know what the problem is.

Running - Windows XP Pro SP2
WOW Internet - Advertised speed 4000/500
Cablenut Installed.
http://ttester.broadbandreports.com/tweak/block:48d1167?service=cable&speed=4000&os=winXP&via=normal

::::::::::.. Download Stats ..::::::::::
Connection is:: 4557 Kbps about 4.6 Mbps (tested with 2992 KB)
Download Speed is:: 556 kB/s
Tested From:: http://www.testmy.net/
Test Time:: Fri Jan 28th 2005 6:11 PM GMT
Bottom Line:: 81X faster than 56K 1MB download in 1.84 sec
Validation Link:: http://testmy.net/ s_engine.php?type=test_id&q=6SMUHG0P8

::::::::::.. Upload Stats ..::::::::::
Connection is:: 514 Kbps about 0.5 Mbps (tested with 579 KB)
Upload Speed is:: 63 kB/s
Tested From:: http://www.testmy.net/
Test Time:: Fri Jan 28th 2005 6:12 PM GMT
Bottom Line:: 9X faster than 56K 1MB download in 16.25 sec
Validation Link:: http://testmy.net/ /s_engine.php?type=test_id&q=1VBATKMOF

running 10s inbound test (server to client) . . . . . . 4.14Mb/s

------ Client System Details ------
OS data: Name = Windows XP, Architecture = x86, Version = 5.1
Java data: Vendor = Sun Microsystems Inc., Version = 1.4.2_06

------ Web100 Detailed Analysis ------
Cable modem/DSL/T1 link found.
Link set to Full Duplex mode
Information: throughput is limited by other network traffic.
Good network cable(s) found
Normal duplex operation found.

Web100 reports the Round trip time = 96.86 msec; the Packet size = 1460 Bytes; and
There were 2 packets retransmitted, 91 duplicate acks received, and 92 SACK blocks received
The connection was idle 0 seconds (0%) of the time
This connection is network limited 99.95% of the time.
Contact your local network administrator to report a network problem

Web100 reports TCP negotiated the optional Performance Settings to:
RFC 2018 Selective Acknowledgment: ON
RFC 896 Nagle Algorithm: ON
RFC 3168 Explicit Congestion Notification: OFF
RFC 1323 Time Stamping: OFF
RFC 1323 Window Scaling: ON
Packet size is preserved End-to-End
Server IP addresses are preserved End-to-End
Client IP addresses are preserved End-to-End

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

tracert testmy.net

Tracing route to testmy.net [67.19.36.6]
over a maximum of 30 hops:

1 9 ms 9 ms 9 ms d149-67-1-128.col.wideopenwest.com [67.149.128.1
]
2 * * * Request timed out.
3 * * * Request timed out.
4 * * * Request timed out.
5 * * * Request timed out.
6 * * * Request timed out.
7 * * * Request timed out.
8 * * * Request timed out.
9 * * * Request timed out.
10 * * * Request timed out.
11 * * * Request timed out.
12 * * * Request timed out.
13 * * * Request timed out.
14 * * * Request timed out.
15 * * * Request timed out.