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First, download all the Windows updates again. If you are able to access the web, but you are unable to access the iTunes Store, see the troubleshooting steps below (My apologies in advance of some of these were already attempted).
iTunes Store, iTunes, Windows 7, Windows Vista, Windows XP, Microsoft Windows XP SP2 and Vista
Remove pop-up blockers
Some pop-up or ad-blocking programs may interfere with the ability of iTunes to connect to the iTunes Store. Removing them in many cases will resolve the issue.
Flush DNS Setting in Windows
In some cases, the DNS information you computer uses to connect to the Internet needs to be reset. Follow these instructions to flush your Windows DNS information:
Your copy of the iTunes application may be out of date.
- On the Start menu, click Run.
- In the Open field type cmd and click OK.
- In the resulting window, type ipconfig /flushdns and press Return on the keyboard.
- You should see a message that the DNS Resolver Cache has been successfully flushed.
If iTunes is out of date, it will not be able to connect to the iTunes Store. You can download the latest version of iTunes from our website:You upgraded to Windows XP Service Pack 2.
Windows XP Service Pack 2, by default, enables the Windows Firewall. As with a third-party firewall, you will need to configure Windows Firewall to allow iTunes to access the iTunes Store. To do so:
- From the Start menu, choose Control Panel.
- If the Control Panel is in Classic View, skip to step 3, otherwise open Security Center.
- Open Windows Firewall.
- Click the Exceptions tab.
- Select the iTunes checkbox to enable it as shown here:
- Click OK.
If you have further questions about configuring the Windows Firewall, contact Microsoft's Service Pack 2 hotline at (888) SP2-HELP. Read this article for compatibility information.
Windows XP: C:\WINDOWS\SYSTEM32\DRIVERS\ETC
- Select the hosts file. Then click the Ed it menu, and choose C opy.
- Then, click the Edit menu again, and choose Paste. There should now be a duplicate of the hosts file named "Copy of hosts".
- Drag the original hosts file to your desktop.
- Right-click the "Copy of hosts" file and choose Open. You may be prompted to choose the program you want to use to open this file. Double-click Notepad.
- When Notepad opens, click the Edit menu and choose Select All. Then click the Edit menu, and choose Delete.
- Click the File menu, and choose Save. Close Notepad.
- Right-click the "Copy of hosts" file, and choose Rename. Type "hosts" (without quotation marks) and press Enter.
- Restart your computer and try connecting to the iTunes Store.