This happens when the compressed QuickTime Tools Stack that ships with
HyperCard has not been decompressed. If you do not decompress the stack
before trying to access it, the Home Stack doesn't recognize the file as a
HyperCard stack.
To correct this problem, simply double click on the compressed file to
decompress it. Then return to the Home Stack where the QuickTime Tools
button should now be working.
This article is adapted from the Claris Tech Info database.
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