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Firefox crashes

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Firefox crashes on or shortly after startup, "firefox not responding" I get this crash indicator: 'plug in container has stopped working' I can not get firefox to run even in safe mode, I tried to update and reinstall, it crashes during these operations also. How can I restore it?

Chosen solution

Different PC than what you posted here with?

System Details - posted to the right of your posting

   windows xp
   Firefox 44.0.2

Yet your UA shows

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; GWX:QUALIFIED; rv:11.0) like Gecko

Are you running Firefox in a "Compatibility Mode" in Win7?


Since Firefox is crashing on startup, it would be nice to have some Firefox Crash Report ID's that you retrieve via the Explorer file system.

We're sorry to hear that your Firefox seems to be crashing when you open it. Please perform the following steps to give us a crash report ID that helps us find out more about the cause of the crash.

  1. On the keyboard, press [Windows] Windows key + [R]. This should bring up a Run window that contains a text field.
  2. In that text field, type %APPDATA% and press Enter. An explorer window should open.
  3. From that explorer window, double-click on the Mozilla folder, then double-click on Firefox and then on Crash reports. Double-click on submitted.
  4. Now, you should see a list of files that contain reports. Go to View > Arrange Icons by > Modified to get the most recent files at the top of the window.
  5. Open the most recent 5 files with a text editor and copy the IDs.
  6. Paste each ID with bp- into the reply window on the forums.

You can find more information and troubleshooting steps in the Firefox crashes - Troubleshoot, prevent and get help fixing crashes article.

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Chosen Solution

Different PC than what you posted here with?

System Details - posted to the right of your posting

   windows xp
   Firefox 44.0.2

Yet your UA shows

User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; GWX:QUALIFIED; rv:11.0) like Gecko

Are you running Firefox in a "Compatibility Mode" in Win7?


Since Firefox is crashing on startup, it would be nice to have some Firefox Crash Report ID's that you retrieve via the Explorer file system.

We're sorry to hear that your Firefox seems to be crashing when you open it. Please perform the following steps to give us a crash report ID that helps us find out more about the cause of the crash.

  1. On the keyboard, press [Windows] Windows key + [R]. This should bring up a Run window that contains a text field.
  2. In that text field, type %APPDATA% and press Enter. An explorer window should open.
  3. From that explorer window, double-click on the Mozilla folder, then double-click on Firefox and then on Crash reports. Double-click on submitted.
  4. Now, you should see a list of files that contain reports. Go to View > Arrange Icons by > Modified to get the most recent files at the top of the window.
  5. Open the most recent 5 files with a text editor and copy the IDs.
  6. Paste each ID with bp- into the reply window on the forums.

You can find more information and troubleshooting steps in the Firefox crashes - Troubleshoot, prevent and get help fixing crashes article.