Internet Access Problems

This system is a Dell computer that had a bad dial up modem. We replaced it with a Supermax 561. We have no problem dialing and connecting but once we get on the Internet we can not navigate to other pages. The home page is set at Outdoors Unlimited - the ISP. I can navigate their site just fine but once I navigate away from there I get the "Page cannot be displayed" message. I can access my email without any problem.  I use Internet Explorer for web access. Please advise.

Thank you!

Robert EhingerIT specialistAsked:
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Robert EhingerConnect With a Mentor IT specialistAuthor Commented:
The computer was shut down and restarted several times over the course of a few days and I wasn't doing anything in particular when it started working.
Hello RobertEhinger,

1. Clear your DNS cache.  Go to Start > Run and type CMD
and hit OK.
At the command prompt, type ipconfig /flushDNS
and hit OK.

2. Clear your cache.  Go to Tools > Internet Options > General tab.  Under Temporary Internet Files, click "Delete Files" button. Also click "Delete Cookies" button. Click OK.

3. Reset the Maximum Transmission Unit in the registry

4. If no joy, check if your PC is blocking the site.  Do a search for HOSTS file and open it with an editor like Notepad. Delete any line that has the blocked site in it.

HOSTS file is located in
Windows XP      =      C:\WINDOWS\SYSTEM32\DRIVERS\ETC
Windows 2K     =     C:\WINNT\SYSTEM32\DRIVERS\ETC
Win 98/ME     =     C:\WINDOWS

It is a hidden file. Go to any folder and select Tools > Folders Options > View. Check "Show hidden files and folders". Click OK.

7. Check if antispyware, antivirus, or firewall is blocking the website. Disable these programs one by one.

Hope this helps!
Robert EhingerIT specialistAuthor Commented:
I did as instructed and still have the same problem. Now I get the "IEXPLORE.EXE - Application Error tha instruction at"0x7e1f9b0f" referenced memory at "0x7dc48950". the memory could not be read" error.

Any suggestions?
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Do you have IE6 or IE7?  If IE6, the browser may be corrupted.

1. An addon may be interfering. Disable Addons.  If you have Windows XP SP2, go to Tools > Add-on Manager, and uncheck the addons.

If using Windows XP SP1 or earlier, disable third party extensions. With IE open, go to Tools > Internet Options > Advanced. Uncheck "Third party extensions". Click Ok. Reboot computer.

2. If no joy, check if a program running in the background is interfering with Internet Explorer. Temporarily disable antivirus and other security programs, firewall, toolbars like Google and Yahoo, and desktop programs like MSN and Google.

3. Clear your cache.  Go to Tools > Internet Options > General tab.  Under Temporary Internet Files, click "Delete Files" button. Click OK.

4. Reset IE settings.  Go to Tools > Internet Options > Programs.  Click on "Reset Web Settings" button. Go to Advanced tab and click "Restore Defaults" button. Go to Security tab and move the bar to Medium or Default. Click OK. Close all browsers. Reboot the computer.

5. If no joy, run the System File Checker to repair any broken system files.  Go to Start > Run and type sfc /scannow
and hit OK.  You will need your Windows XP CD when asked.

6. Create a new user account in Windows.

7. If no joy, repair or reinstall Internet Explorer and Outlook Express in Windows XP

Robert EhingerIT specialistAuthor Commented:
Don't know why but everything suddenly started working.
RobertEhinger, did you restart the computer?  Were you working through one of the steps above when it started working?
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