Error Windows XP SP3: “Access is denied” or “Service Pack installation did not complete”
The third and final service pack for Windows XP will also fail to deploy if the installation process comes across registry keys that it cannot modify. In such cases, the error messaged presented to the end user reveal that there has been a Service Pack 3 setup error and that "Access is denied" or that "Service Pack installation did not complete."
"You may receive these error messages if permissions for one or more registry keys are restricted in a way that prevents the update of those registry keys," Microsoft informed. "Some programs change the system access control lists (SACL) in the Registry so that administrator accounts cannot alter them. The service pack installer runs under the user (admin) account and not under the SYSTEM account. Failure to update a registry key causes the Setup program to fail."
Fix available at Knowledge base article 949377
"You may receive these error messages if permissions for one or more registry keys are restricted in a way that prevents the update of those registry keys," Microsoft informed. "Some programs change the system access control lists (SACL) in the Registry so that administrator accounts cannot alter them. The service pack installer runs under the user (admin) account and not under the SYSTEM account. Failure to update a registry key causes the Setup program to fail."
Fix available at Knowledge base article 949377
Written by ShaDow on May 11th, 2008 with
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