I am using mac os x. I'm trying to install keyframe caddy on flash cs6. When I open to .zxp file, extension manager keeps saying "the extension package is not valid. the extension will not be installed". How do I fix this?
I really wish this was answered. I'm having this problem too.
And you are using ExMan CS6? Please confirm that you are using the latest version of Extension Manager CS6 which is 220.127.116.11.
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