Windows Vista update error 490

By mretzloff
Jan 5, 2010
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  1. I have been trying to install Microsoft .NET Framework 3.5 Service Pack 1 and .NET Framework 3.5 Family Update via Windows Update. Every time I try installing the updates, I get an error message saying Code 490.

    Could someone please let me know why Windows Vista is doing this? I have tried Googling this, but to no avail.
  2. raybay

    raybay TechSpot Evangelist Posts: 10,716   +6

    Have you searched the Microsoft site for error code 490?
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