Recent answers to Tabs always crash on clicking a specific buttonhttps://support.mozilla.org/en-US/questions/13547822021-10-20T11:35:54-07:00Works fine here.
If you use extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions)2021-10-20T11:35:54-07:00cor-elhttps://support.mozilla.org/en-US/questions/1354782#answer-1452586<p>Works fine here.
</p><p>If you use extensions ("3-bar" menu button or Tools -&gt; Add-ons -&gt; Extensions) that can block content (Adblock Plus, NoScript, DuckDuckGo PE, Disconnect, Ghostery, Privacy Badger, uBlock Origin) always make sure such extensions do not block content.
</p>
<ul><li>make sure your extensions and filters are updated to the latest version
</li><li><a href="https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems" rel="nofollow">https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems</a>
</li></ul>
<p>Firefox shows a purple shield instead of a gray shield at the left end of the location/address bar in case Enhanced Tracking Protection is blocking content.
You can click shield icon for more detail and possibly disable the protection.
You can check the Web Console for relevant-looking messages about blocked content.
</p>
<ul><li><a href="https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop" rel="nofollow">https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop</a>
</li><li><a href="https://support.mozilla.org/en-US/kb/smartblock-enhanced-tracking-protection" rel="nofollow">https://support.mozilla.org/en-US/kb/smartblock-enhanced-tracking-protection</a>
</li><li><a href="https://support.mozilla.org/en-US/kb/trackers-and-scripts-firefox-blocks-enhanced-track" rel="nofollow">https://support.mozilla.org/en-US/kb/trackers-and-scripts-firefox-blocks-enhanced-track</a>
</li></ul>
<hr>
<p>You can try these steps in case of issues with webpages:
</p><p>You can reload webpage(s) and bypass the cache to refresh possibly outdated or corrupted files.
</p>
<ul><li>hold down the Shift key and left-click the Reload button
</li><li>press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
</li><li>press "Command + Shift + R" (Mac)
</li></ul>
<p>Clear the Cache and remove the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Settings).
</p><p>"Remove the Cookies" for websites that cause problems:
</p>
<ul><li>Settings -&gt; Privacy &amp; Security<br>Cookies and Site Data: "Manage Data"
</li></ul>
<p>"Clear the Cache":
</p>
<ul><li>Settings -&gt; Privacy &amp; Security<br>Cookies and Site Data -&gt; Clear Data -&gt; [X] Cached Web Content -&gt; Clear
</li></ul>
<p>Start Firefox in <b>Troubleshoot Mode</b> to check if one of the extensions ("3-bar" menu button or Tools -&gt; Add-ons -&gt; Extensions) or if <b>hardware acceleration</b> or <b>userChrome.css</b> is causing the problem.
</p>
<ul><li>switch to the DEFAULT theme: "3-bar" menu button or Tools -&gt; Add-ons -&gt; Themes
</li><li>do NOT click the "Refresh Firefox" button on the Troubleshoot Mode start window
</li></ul>
<ul><li><a href="https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode" rel="nofollow">https://support.mozilla.org/en-US/kb/diagnose-firefox-issues-using-troubleshoot-mode</a>
</li><li><a href="https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems" rel="nofollow">https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems</a>
</li></ul>
<ul><li><a href="https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop" rel="nofollow">https://support.mozilla.org/en-US/kb/enhanced-tracking-protection-firefox-desktop</a>
</li><li><a href="https://support.mozilla.org/en-US/kb/smartblock-enhanced-tracking-protection" rel="nofollow">https://support.mozilla.org/en-US/kb/smartblock-enhanced-tracking-protection</a>
</li><li><a href="https://support.mozilla.org/en-US/kb/trackers-and-scripts-firefox-blocks-enhanced-track" rel="nofollow">https://support.mozilla.org/en-US/kb/trackers-and-scripts-firefox-blocks-enhanced-track</a>
</li></ul>In the address bar, type about:crashes<enter>.
Note: If any reports do not have BP- in fr2021-10-20T11:19:15-07:00fredmcd-hotmailhttps://support.mozilla.org/en-US/questions/1354782#answer-1452580<p>In the address bar, type <strong>about:crashes</strong>&lt;enter&gt;&#46;
<strong>Note: </strong> If any reports do not have <strong>BP-</strong> in front of
the numbers/letters, click it to submit them&#46;
</p><p><strong>The crash report is several pages of data&#46; We </strong>
<strong>need the report numbers to see the whole report&#46; </strong>
</p><p>Using your mouse, <strong>mark</strong> the <strong>most recent 7 - 10</strong>
<strong>Submitted</strong> crash reports, and copy them&#46;
Now go to the reply box and paste them in&#46;
</p><p>Please, <strong>Do not post a screenshot&nbsp;! ! </strong>
</p>
<dl><dt><img class="wiki-image frameless" src="https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/gallery/images/2017-11-17-07-48-17-89e968.png" alt="aboutcrashesFx57" width="500">
</dt></dl>
<p>For more help on crash reports, see;
https://support&#46;mozilla&#46;org/en-US/kb/firefox-crashes-asking-support
</p>