HT201364 trying to install new software for OS mavericks and i get the he product distribution file could not be verified. It may be damaged or was not signed.can you assist

trying to install new software for OS mavericks and i get the the product distribution file could not be verified. It may be damaged or was not signed error message
.can you assist

What "new" software?
Barry

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    ^^
    <Email Edited by Host>

    Somehow, the download is getting corrupted. First, try repairing your hard drive. Then make sure that you have disabled or uninstalled any anti-virus or internet filtering software. Also, verify that your computer's clock is set properly.
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