I recently updated my current windows vista to windows 7 in my laptop. Tough my laptop supports 64 bit processor. I'm having trouble during installing anything that requires MSXML 4.0 Service pack 2. This is the error I get is 0x8007054F something like that. The GUID also varies from install to install whenever I switched to one program to another program during installation, but the error codes remains constant. I cannot able to find out the problem so please help me to solve this problem.
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