Make sure the Cryptographic service is running on this computer. Service Pack 1 Setup could not verify the integrity of the file.
#Microsoft programs not working how to go back install
When you try to install a Windows XP service pack, you receive an error message that is similar to the following: The software you are installing has not passed Windows Logo testing to verify its compatibility with this version of Windows. The software you are installing has not passed Windows Logo testing to verify its compatibility with Windows XP. Setup could not verify the integrity of the file Update.inf. When you try to install an update or to install a service pack, you receive an error message that is similar to one of the following: The cryptographic operation failed due to a local security option setting. The software package is not signed properly.Īfter you click OK in the first error message dialog box, you receive a message that states that the installation was successful, or you receive the following error message:
The signature on the software package you want to install is invalid. If you click More Info, you receive the following message: If you want to search for Microsoft digitally signed software, visit the Windows Update Web site at to see if one is available.ĭo you want to continue the installation? Therefore, there is no guarantee that this software works correctly with Windows. The software you are about to install does not contain a Microsoft digital signature. The Microsoft digital signature affirms that software has been tested with Windows and that the software has not been altered since it was tested. You receive the following error message when you try to install a program or update: These problems may occur for these reasons.
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