What is the full wording of the message?

Hello,

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Thank you!

Start Firefox in Safe Mode {web Link} by holding down the <Shift>
(Mac=Options) key, and then starting Firefox. Is the problem still there?

Still experiencing the same issue. I've attached a screen shot.

Your screen shot shows you are still on the "old" Outlook.com platform (server.mail.live.com instead of outlook.live.com). Like most users by now, I'm on the new infrastructure so I can't test the problem hands-on.

This is our general support article: Warning Unresponsive script - What it means and how to fix it.

Another common cause of unresponsive script errors on Windows 7-10 is the protected mode feature of the Flash player plugin. That feature has security benefits, but seems to have serious compatibility issues on some systems. You can disable it using the Add-ons page. Either:

• Ctrl+Shift+a
• "3-bar" menu button (or Tools menu) > Add-ons

In the left column, click Plugins. On the right side, find "Shockwave Flash" and click the More link. Then uncheck the box for "Enable Adobe Flash protected mode" and try that for a day to see whether it helps.

"In the left column, click Plugins. On the right side, find "Shockwave Flash" and click the More link. Then uncheck the box for "Enable Adobe Flash protected mode" and try that for a day to see whether it helps. "

Not finding the uncheck box as mentioned.

Do you have the red boxed area shown in the attached screen shot?

No I do not.

Try these links; Disable Flash protected mode

Disable hardware acceleration in Flash

(1) In a new tab, type or paste about:config in the address bar and press Enter/Return. Click the button promising to be careful.

(2) In the search box above the list, type or paste protected and pause while the list is filtered

Normally you would see:

browser.flash-protected-mode-flip.done = false browser.flash-protected-mode-flip.enabled = false dom.ipc.plugins.flash.disable-protected-mode = false

(3) Double-click the dom.ipc.plugins.flash.disable-protected-mode preference to switch the value from false to true

Ok, changed the dom.ipc.plugins.flash.disable-protected-mode from false to true. Now what?

sparky57 said

Ok, changed the dom.ipc.plugins.flash.disable-protected-mode from false to true. Now what?

Try it out for several hours to see whether it makes any difference.

More generally, I wonder how long you'll be on the old Outlook. ???