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Copy and paste do not work on address bar

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I commonly copy a web address to share with someone or to save in a document. I have a Macbook and neither the shortcut keys or your edit keys work to copy or paste. This is a MUST for me and I find it very weird it doesn't work, its a basic set of commands.

I commonly copy a web address to share with someone or to save in a document. I have a Macbook and neither the shortcut keys or your edit keys work to copy or paste. This is a MUST for me and I find it very weird it doesn't work, its a basic set of commands.
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Additional System Details

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  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:70.0) Gecko/20100101 Firefox/70.0

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Dinushi Dhananjani
  • Top 25 Contributor
5 solutions 216 answers

Hi1, Dmedica,

Type about:config in the address bar > confirm

if any message appears.

Then you will see a list

of Firefox preferences.

In the search box at the top of the page type

javascript.enabled > double-click 

it to change its value from true to false.

Hi1, Dmedica, Type about:config in the address bar > confirm if any message appears. Then you will see a list of Firefox preferences. In the search box at the top of the page type javascript.enabled > double-click it to change its value from true to false.
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cor-el
  • Top 10 Contributor
  • Moderator
17678 solutions 159899 answers

Do not disable JavaScript as suggested in an earlier reply that I've hidden.

From where are you copying this data ? Is that always from the Firefox location bar ? Can you at least select (highlight) this data ?


Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is causing the problem.

  • switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes
  • do NOT click the "Refresh Firefox" button on the Safe Mode start window
Do not disable JavaScript as suggested in an earlier reply that I've hidden. From where are you copying this data ? Is that always from the Firefox location bar ? Can you at least select (highlight) this data ? ----- Start Firefox in <u>Safe Mode</u> to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if <u>hardware acceleration</u> is causing the problem. *switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Themes *do NOT click the "Refresh Firefox" button on the Safe Mode start window *https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode *https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems
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Question owner

I restarted in safe mode, firefox crashed, it asked if I wanted to open in safe mode and I did. I then chose the default theme and again tried to copy and paste.

Yes, I can highlight what I want to copy. I am sending a screen shot of the area in the window I want to copy from but I cannot copy and paste from anywhere at all in firefox - the address bar (which is what I wanted to do) or part of an email or a webpage. The keystrokes do not work, the 'edit - copy' in the very top don't work either.

I restarted in safe mode, firefox crashed, it asked if I wanted to open in safe mode and I did. I then chose the default theme and again tried to copy and paste. Yes, I can highlight what I want to copy. I am sending a screen shot of the area in the window I want to copy from but I cannot copy and paste from anywhere at all in firefox - the address bar (which is what I wanted to do) or part of an email or a webpage. The keystrokes do not work, the 'edit - copy' in the very top don't work either.
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steve264 0 solutions 1 answers

dmedica54 said

I restarted in safe mode, firefox crashed, it asked if I wanted to open in safe mode and I did. I then chose the default theme and again tried to copy and paste. Yes, I can highlight what I want to copy. I am sending a screen shot of the area in the window I want to copy from but I cannot copy and paste from anywhere at all in firefox - the address bar (which is what I wanted to do) or part of an email or a webpage. The keystrokes do not work, the 'edit - copy' in the very top don't work either.

I am having this same problem repeatedly. I can modify dom.events.asyncClipboard.dataTransfer, exit and restart Firefox, which sorts out the issue until the next launch of FF, but I should not need to do this. Mozilla need to respond here and address what seems to be a pretty fundamental bug.

''dmedica54 [[#answer-1269812|said]]'' <blockquote> I restarted in safe mode, firefox crashed, it asked if I wanted to open in safe mode and I did. I then chose the default theme and again tried to copy and paste. Yes, I can highlight what I want to copy. I am sending a screen shot of the area in the window I want to copy from but I cannot copy and paste from anywhere at all in firefox - the address bar (which is what I wanted to do) or part of an email or a webpage. The keystrokes do not work, the 'edit - copy' in the very top don't work either. </blockquote> I am having this same problem repeatedly. I can modify dom.events.asyncClipboard.dataTransfer, exit and restart Firefox, which sorts out the issue until the next launch of FF, but I should not need to do this. Mozilla need to respond here and address what seems to be a pretty fundamental bug.
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