SQL 2005 SP1 Problem

I run today in many problems. I have installed the Service Pack 1 for SQL Server 2005.

The first problem was the Service Pack was not installed correct in Event Log I received the following error:

Installation Failure: Windows failed to install the following update with error 0x80070643: Microsoft SQL Server 2005 Service Pack 1 (KB 913090).

This error append to the next error I receive in the EventLog:

This error append to the next error I receive in the EventLog:

The SQL Server 2005 Service was terminated and I can't start him again.

The resolution of this problem is as follows:

1. Uninstall all SQL Servers 2000/2005

2. Reinstall SQL 2005 first then run the Service Pack 1

3. Reinstall SQL 2000