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ITsVISTA KB-Link: KB950756

Error message when you try to activate a copy of Windows Vista by using the Windows Activation wizard: “The Software Licensing Service reported that the product key is invalid: 0xC004F050″

When you try to activate a copy of Windows Vista by using the Windows Activation wizard, you receive an error message that resembles the following:

An error has occurred

Code:
0xC004F050

Description:
The Software Licensing Service reported that the product key is invalid

For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB950756.

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