Error 0xC004C003

Error 0xC004C003

Description:
Indicates that the product key used is invalid.

Fixes:

1. Verify the Product Key:

   • Ensure that the product key is correct and matches the Windows edition installed.
     
     

2. Enter a Valid Product Key:

   • Go to Start > Settings > System > Activation, then select Change product key.
   • Enter a valid 25-character product key.