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How do I stop the pop up "An ActiveX control on this page ...?

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I recently installed an accounting program on my computer. In order to access several pages on this program, a message appears on the screen and I must address it before I can get access to my required page on the accounting program. The message is as follows: "An ActiveX control on this page might be unsafe to interact with other parts of the page. Do you want to allow this interaction?" How can this be eliminated altogether?

I recently installed an accounting program on my computer. In order to access several pages on this program, a message appears on the screen and I must address it before I can get access to my required page on the accounting program. The message is as follows: "An ActiveX control on this page might be unsafe to interact with other parts of the page. Do you want to allow this interaction?" How can this be eliminated altogether?

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Firefox doesn't natively run ActiveX controls at all. This capability might be injected into Firefox by a plugin or one of the "IE Tab" add-ons. Can you test the site in Firefox's Safe Mode? That's a standard diagnostic tool to bypass interference by extensions (and some custom settings). More info: Diagnose Firefox issues using Troubleshoot Mode.

You can restart Firefox in Safe Mode using

Help > Restart with Add-ons Disabled

In the dialog, click "Start in Safe Mode" (not Reset)

Safe mode does not automatically disable plugins. If you want to rule out plugins that might be relevant, you can disable them here:

orange Firefox button (or Tools menu) > Add-ons > Plugins category

Does the message go away?

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On second read, I think you are saying this message appears inside your accounting program. The program appears to be using embedded IE components. The publisher probably has some recommendations on how to bypass that message (it may involve changing some settings for IE's hidden "My Computer" security zone). Can you find instructions along those lines?