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Hello, I have problem with my Firefox browser. It cannot link over to other sites. An example: when I get mail with a link, I cannot link over. A popup says: "The app cann not be opened- -10673. When I use Safari or Google Chrome it works. Please explain for me how to do. Have a good day! Holger
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Hi Holger, Since you included an email address in your post, I assume that you think you are directly contacting developers or Mozilla employees. You are not. This is a public community support forum. The people that answer questions here are users just like you, volunteering their time.
If you start Firefox in Troubleshoot Mode, does the problem still occur? To start in Troubleshoot Mode, go to Help > Troubleshoot Mode.
If the problem does not occur in Troubleshoot Mode, then you can disable your extensions one-by-one until you find out which one is causing the problem. For more info, visit Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems.