Here are my diagnostics...
Microsoft Windows 7 x64 Home Premium Edition Service Pack 1 (Build 7601)
Hewlett-Packard HP Pavilion dv6 Notebook PC
iTunes 10.2.2.14
QuickTime 7.6.9
FairPlay 1.11.17
Apple Application Support 1.5.1
iPod Updater Library 10.0d2
CD Driver 2.2.0.1
CD Driver DLL 2.1.1.1
Apple Mobile Device 3.4.0.25
Apple Mobile Device Driver 1.55.0.0
Bonjour 2.0.5.0
Gracenote SDK 1.8.2.457
Gracenote MusicID 1.8.2.89
Gracenote Submit 1.8.2.123
Gracenote DSP 1.8.2.34
iTunes Serial Number 0019B168030A7F38
Current user is not an administrator.
The current local date and time is 2011-06-05 10:26:28.
iTunes is not running in safe mode.
WebKit accelerated compositing is enabled.
HDCP is supported.
Core Media is supported.
Video Display Information
Intel Corporation, Intel(R) Graphics Media Accelerator HD
**** External Plug-ins Information ****
No external plug-ins installed.
iPodService 10.2.2.14 (x64) is currently running.
iTunesHelper 10.2.2.14 is currently running.
Apple Mobile Device service 3.3.0.0 is currently running.
**** Network Connectivity Tests ****
Network Adapter Information
Adapter Name: {060D3689-BC31-48FF-B389-FE66510F7055}
Description: Intel(R) WiFi Link 1000 BGN
IP Address: 66.253.185.35
Subnet Mask: 255.255.252.0
Default Gateway: 66.253.184.1
DHCP Enabled: Yes
DHCP Server: 66.253.184.6
Lease Obtained: Sun Jun 05 10:18:15 2011
Lease Expires: Mon Jun 06 10:18:15 2011
DNS Servers: 66.253.184.6
68.234.128.70
67.152.3.146
67.152.3.154
Adapter Name: {F8EE95AE-1769-47FE-B3FB-11CC7E7175DA}
Description: Realtek PCIe FE Family Controller
IP Address: 66.253.187.229
Subnet Mask: 255.255.252.0
Default Gateway: 66.253.184.1
DHCP Enabled: Yes
DHCP Server: 66.253.184.6
Lease Obtained: Sun Jun 05 10:18:14 2011
Lease Expires: Mon Jun 06 10:18:14 2011
DNS Servers: 66.253.184.6
68.234.128.70
67.152.3.146
67.152.3.154
Active Connection: LAN Connection
Connected: Yes
Online: Yes
Using Modem: No
Using LAN: Yes
Using Proxy: No
SSL 3.0 Support: Enabled
TLS 1.0 Support: Disabled
Firewall Information
Windows Firewall is off.
Connection attempt to Apple web site was unsuccessful.
An unknown error occurred (-3212).
Basic connection to the store failed.
An unknown error occurred (-3212).
Connection attempt to Gracenote server was successful.
An unknown error occurred (-3212).
Last successful iTunes Store access was 2011-05-09 12:04:00.