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I just downloaded an app to watch kcop tv on my desktop and my firefox stopped working, what can I do

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I just attempted to download an application from kcop tv to watch tv online and now my firefox wont work I get the firefox start page but it does not respond

I just attempted to download an application from kcop tv to watch tv online and now my firefox wont work I get the firefox start page but it does not respond

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If there is a problem with searching via the default about:home page then try to reset the search engine used on the about:home page.

Reset the browser.startup.homepage_override.mstone pref via the right-click context menu to the default on the about:config page and close and restart Firefox to restore the about:home page to its default.

  1. Open the about:config page via the location bar
  2. Type in the Filter bar: mstone
  3. Right-click the browser.startup.homepage_override.mstone line and select: Reset
  4. Close and restart Firefox

If this didn't help then delete the delete the chromeappsstore.sqlite file in the Firefox Profile Folder and repeat the above.

You can use this button to go to the Firefox profile folder:

  • Help > Troubleshooting Information > Profile Directory: Open Containing Folder