When i open a pka file, the concerned app is not detecting the file

Hi, i have this cisco packet tracer installed and running fine. when i try to run a pika file, this particular cisco packet tracer app is not being recommended. can somebody help me out?

Hi,
You can check if this problem appears when you start firefox in safe mode [[Troubleshoot Firefox issues using Safe Mode]] if everything works fine in safe mode that means the problem occurred due to some extensions or themes.
You can try resetting Firefox [[Reset Firefox – easily fix most problems]] but be careful resetting firefox will remove your extensions and themes, website-specific preferences, search engines, download history, DOM storage, security settings, download actions, plugin settings, toolbar customizations, user styles and social features

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    De : sarika02 
    Envoyé : 17 juin 2014 19:26
    À : Daniel Cloutier
    Objet :  On photoshop element 12 when I open a .MTS file I have the sound with a black screen if I open a .mov it work fine I have uninstall and reinstall I still have the same problem can you help?
    On photoshop element 12 when I open a .MTS file I have the sound with a black screen if I open a .mov it work fine I have uninstall and reinstall I still have the same problem can you help?
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