RegKey To Enable Flash Player Auto Update?

I'm assuming you're administering Flash Player on a network, since you're asking about registry key options.

There's not a registry key, but there is a configuration option in mms.cfg.

Check out the System Administrator's Guide for the full set of details:

Adobe Flash Player Administration Guide for Flash Player | Adobe Developer Connection

Hi,

In order to provide assistance, please provide the following information:

• Operating system version
• Web browser and version
• Flash Player version
• Explain your problem in step-by-step detail if possible
• If you get error messages, please provide a screenshot‌

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Maria