IE issues: The page cannot be displayed

I have an ongoing issue with Internet Explorer, some sites it want load the page but for: The page cannot be displayed.  

I've check everything possible, firewall, anti-virus, ie settings, etc.  I am at a total loss why it doesn't display certain pages.  Any help would be greatly appreciated.
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newbiealAsked:
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war1Connect With a Mentor Commented:
Hello newbieal,

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. 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.

4a. If you are using Internet Explorer, check if the site is restricted or blocked.  Go to Tools > Internet Options > Security. Hightlight Restricted Sites and see if the blocked site is located there.

4b. Also under Content tab > Content Advisor, check if the site is restricted there. Remove it.

4c. Also, under Security tab, add the website to your trusted zone.

5. Check if antispyware, antivirus, or firewall is blocking the website.

Hope this helps!
war1
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janicegannonCommented:
Check your HOSTS file and make sure there is nothing in there. Also, are their multiple users on the computer? If so, log on as a different user and see if the problem is there too. Most likely not, and it is a user profile issue.

I assume you have checked for spyware and such, so I will not post anything about that.

One thing to try; depends on which version you have of IE, but open IE and go to Tools | Internet Options

Go to the Advanced Tab and click RESET, that is if you have IE7

Go to the Advanced Tab and click restore for IE 6, I think I haven't used IE6 in a while. Also on IE6 go to the Programs tab and I think there is a restore option in there too.
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newbiealAuthor Commented:
'Check your HOSTS file and make sure there is nothing in there'

I'm not sure where to look for this and what exactly to look for.  Also, there are no other users.

If I do a restore/reset, will that get rid of ie bookmarks and any other saved settings?
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23637269Commented:
You can export your bookmarks and everything else before you do a restore.

Try using FireFox (Free Browser) that is one of the fastest and safest browsers out there.  Internet Explorer has a wide range of exploits that can leave you exposed.

Thanks
Roger
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newbiealAuthor Commented:
Yes, I agree.  I use IE in very rare cases.  One of them being now where a vendor insists that their page is only formatted properly for IE.  I'm having issues accessing their information with Firefox.  They insist I need to use IE.
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janicegannonCommented:
OK, you will not lose anything doing the restore / reset within IE. If you restore your OS you will.

I have to agree with Roger though, I am using Firefox now it is way better than IE, for security and speed reasons.

IE does tend to get messed up
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newbiealAuthor Commented:
This is all very good information.  I've followed everything (besides hitting reset/restore) and all seems to be in order.  I have noticed though that under restricted sites the security lever cannot be adjusted.  It is just set to HIGH and if I try to change it it says it cannot be done.  Could this be the issue?
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war1Commented:
Yes, you may have a group policy preventing from changing the restricted sites. So there is a group policy blocking some sites.
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newbiealAuthor Commented:
where would this group policy be set? Or where could I find it so that I can change/remove it?
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war1Commented:
Are you on a network?  Check with your IT Administrator for the Group Policy.
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newbiealAuthor Commented:
no, this is my home computer
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war1Commented:
I was mistaken earlier. On restricted sites, security level is set to High.  You can change with Custom Level.  Make sure the sites above are not in Restricted Sites or access will be severely limited.
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newbiealAuthor Commented:
I have done all of the suggestions above, but to no avail.  Any more ideas?
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war1Commented:
Did you add the problem websites to the Trusted Zone in IE Security?
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newbiealAuthor Commented:
yes.
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newbiealAuthor Commented:
My Firewall was indeed blocking certain IE webpages, thanks for your help!!
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newbiealAuthor Commented:
I went back and checked my firewall again and sure enough the culprit was the firewall!
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war1Commented:
newbieal, glad the problem is solved.
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23637269Commented:
newbieal,

Do you have any 3rd party utilities or protection programs running in the background that are preventing you from changing the settings.

war1 great walkthrough.
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