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PDF files viewed through built-in PDF firefox causing firefox to crash (PDF cancer bug)

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- when i view PDF file after downloading it , it suggest for me to open it either by adobe acrobat or firefox , when i choose firefox it will open the file through multiple non-ending windows causing firefox act as a body with cancer. (thats why i called it cancer)


- about my firefox


Name: Firefox Version: 57.0 Build ID: 20171112125346 Update Channel: release User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0 OS: Windows_NT 10.0 Multiprocess Windows: 1/1 (Enabled by default) Web Content Processes: 2/4 Stylo: true (enabled by default) Google Key: Found Mozilla Location Service Key: Found Safe Mode: false

- when i view PDF file after downloading it , it suggest for me to open it either by adobe acrobat or firefox , when i choose firefox it will open the file through multiple non-ending windows causing firefox act as a body with cancer. (thats why i called it cancer) - about my firefox ------------------ Name: Firefox Version: 57.0 Build ID: 20171112125346 Update Channel: release User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:57.0) Gecko/20100101 Firefox/57.0 OS: Windows_NT 10.0 Multiprocess Windows: 1/1 (Enabled by default) Web Content Processes: 2/4 Stylo: true (enabled by default) Google Key: Found Mozilla Location Service Key: Found Safe Mode: false
Attached screenshots

Modified by user1427675

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Additional System Details

Application

  • User Agent: Mozilla/5.0 (Windows NT 6.1; rv:52.0) Gecko/20100101 Firefox/52.0

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WestEnd
  • Top 25 Contributor
43 solutions 1933 answers

I would choose to use Acrobat Reader or Acrobat Pro for pdf files. I myself have Acrobat Pro as default for all and any related pdf files. I find Adobe does pdf far better then others. It does cost unless you use the free Acrobat Reader but even then that is better then the alternative.

I would choose to use Acrobat Reader or Acrobat Pro for pdf files. I myself have Acrobat Pro as default for all and any related pdf files. I find Adobe does pdf far better then others. It does cost unless you use the free Acrobat Reader but even then that is better then the alternative.
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WestEnd said

I would choose to use Acrobat Reader or Acrobat Pro for pdf files. I myself have Acrobat Pro as default for all and any related pdf files. I find Adobe does pdf far better then others. It does cost unless you use the free Acrobat Reader but even then that is better then the alternative.

But thats not a solution to the bug itself. You are just suggesting another method about how to view pdf files. In other word you are avoiding the bug but not solving it.

(This bug needs code adjustment to firefox)

''WestEnd [[#answer-1040145|said]]'' <blockquote> I would choose to use Acrobat Reader or Acrobat Pro for pdf files. I myself have Acrobat Pro as default for all and any related pdf files. I find Adobe does pdf far better then others. It does cost unless you use the free Acrobat Reader but even then that is better then the alternative. </blockquote> But thats not a solution to the bug itself. You are just suggesting another method about how to view pdf files. In other word you are avoiding the bug but not solving it. (This bug needs code adjustment to firefox)
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WestEnd
  • Top 25 Contributor
43 solutions 1933 answers

Well FF isn't native to pdf files reading anyway that in itself is a bug to start with. PDF is a adobe format to begin with. Avoiding it or not I never use it to read something when Acrobat is made for pdf. But if that was a bug then you need to do a Reporting of Bugs to support on Feedback to fix it.

Well FF isn't native to pdf files reading anyway that in itself is a bug to start with. PDF is a adobe format to begin with. Avoiding it or not I never use it to read something when Acrobat is made for pdf. But if that was a bug then you need to do a Reporting of Bugs to support on Feedback to fix it.
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cor-el
  • Top 10 Contributor
  • Moderator
16234 solutions 146545 answers

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Note that you should never choose Firefox as the application to handle a file when you get an 'open with' dialog. Firefox wouldn't ask when it can handle this file type and setting Firefox as the default (always use...) will cause tabs opening endlessly. You will have to remove this action.

Also check the setting for Portable Document Format in "Options/Preferences -> General -> Applications"

Is the builtin PDF Viewer enabled?

Note that you should never choose Firefox as the application to handle a file when you get an 'open with' dialog. Firefox wouldn't ask when it can handle this file type and setting Firefox as the default (always use...) will cause tabs opening endlessly. You will have to remove this action. *https://support.mozilla.org/en-US/kb/change-firefox-behavior-when-open-file Also check the setting for Portable Document Format in "Options/Preferences -> General -> Applications" Is the builtin PDF Viewer enabled? *https://support.mozilla.org/en-US/kb/view-pdf-files-firefox
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jscher2000
  • Top 10 Contributor
7298 solutions 59417 answers

Helpful Reply

Usually if Firefox shows the download dialog, that means Firefox can't open the download in a tab. With PDFs, it's possible to configure Firefox to do it, but please use the method cor-el described, not the applications list under Open in the download dialog.

See also: Firefox repeatedly opens empty tabs or windows after you click on a link.

''Usually'' if Firefox shows the download dialog, that means Firefox can't open the download in a tab. With PDFs, it's possible to configure Firefox to do it, but please use the method cor-el described, not the applications list under Open in the download dialog. See also: [[Firefox repeatedly opens empty tabs or windows after you click on a link]].
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