Select the product you need help with
- Internet Explorer
- Windows Phone
- More products
"This Certificate Has an Invalid Digital Signature" Error Message After You Install the Windows NT 4.0 Security Rollup Package
Article ID: 305929 - View products that this article applies to.
This article was previously published under Q305929
When you visit a secure Web site (a site whose address begins with "https://") that uses Secure Sockets Layer (SSL), you may receive the following error message when you view the server certificate, even if the server certificate is properly trusted and valid:
This problem occurs after you install the Windows NT 4.0 Security Rollup Package (SRP) on a computer that is running Microsoft Internet Explorer 5.5 Service Pack 2 (SP2) or Internet Explorer 5.01 Service Pack 2 (SP2). Note that this problem is with the user interface only; no functionality is lost.
This certificate has an invalid digital signature.
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.
To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMSNOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
The English version of this fix should have the following file attributes or later:
NOTE: Because of file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a.
Date Time Version Size File name Platform ---------------------------------------------------------------- 05-Jul-2001 15:04 5.131.1877.9 371,472 Crypt32.dll Intel 27-Jun-2000 19:57 5.131.1877.9 62,736 Softpub.dll Intel
Microsoft has confirmed that this is a problem in the Windows NT 4.0 Security Rollup Package.
For additional information about the SRP, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/299444/EN-US/ )Post-Windows NT 4.0 Service Pack 6a Security Rollup Package (SRP)
Article ID: 305929 - Last Review: October 29, 2007 - Revision: 3.5