. pagecontroller error – 1 PKG installation error

Downloaded a PKG installation file on the Internet;
An error occured on a dozen installations on a MAC

The reason is that the file is directly downloaded from the Internet, there will be permission problems, need to repair the installation permission of the installation software;
My reason is, downloaded is a RAR MAC decompression can not, online decompression, got PKG installation error
I finally downloaded a MAC under the RAR decompression software

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