How to Fix “content was blocked because it was not signed by a valid security certificate” on Internet Explorer



Symptom :Certificate error Web page is displayed when you try to visit an SSL Web site by using Internet Explorer 7, Internet Explorer 8 on Windows XP, Windows Vista and Windows 7 operating system.

Solution 1:
1. To clear the certificate error go to Tools –> Internet Options from the menu of Internet Explorer(IE).
2. Click on the Advanced tab and scroll down to the security section. Clear the boxes for: “Check for publisher’s certificate revocation” and “Check for server certificate revocation”.
3. Click Apply and Ok.
4. Restart Internet Explorer to see if the certificate error problem is fixed. If not, try the following “Solution 2“.

Solution 2:
1. Click Start,
a) Type regedit in the Start Search box, and then press ENTER (Windows Vista & Windows 7)
b) Type regedit, and then press ENTER(Windows XP)

2.Locate and then click the following registry subkey:

        HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl
    

3. On the Edit menu, point to New, and then click Key.

4. Type FEATURE_ERROR_PAGE_BYPASS_ZONE_CHECK_FOR_HTTPS_KB950067 to name the new registry subkey, and then press ENTER.

5. On the Edit menu, point to New, and then click DWORD Value.

6. Type iexplore.exe to name the new registry entry, and then press ENTER.

7. On the Edit menu, click Modify.

8. Type 1, and then click OK.

9. Exit Registry Editor and restart Internet Explorer to see if the certificate error problem is fixed. If not, try the following “Solution 3“.

Solution 3:

1. Click Start , type regedit in the Start Search box, and then press ENTER.

2. Locate and then click the following registry subkey:

        HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl
        

3. On the Edit menu, point to New , and then click Key.

4. Type the following key name, and then press ENTER:
FEATURE_ERROR_PAGE_BYPASS_ZONE_CHECK_FOR_HTTPS_KB954312

5. On the Edit menu, point to New , and then click DWORD Value.

6. Type iexplore.exe, and then press ENTER.

7. On the Edit menu, click Modify.

8. Type 1, and then click OK.

9. Exit Registry Editor and restart Internet Explorer to see if the certificate error problem is fixed. If not, try the following “Solution 4“.

Solution 4:
Upgrade the Internet Explorer Version to latest.

As always if you need any help you can reach us on twitter @ehowstuff or drop us a comment below. Jumping through archives page to read more articles..

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