Note
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Access to this page requires authorization. You can try changing directories.
Both terms are OK to use, but try to use more specific terms instead.
Global tip Use not valid instead of invalid if possible because machine translation might not translate invalid correctly.
Examples
There are several reasons why a product key might not be valid.
The FileType you specified is too long. The FileType must begin with a period and can be 1 to 64 characters long.