Capcha on website missing
When I sent a letter to the editor of my local paper,the captcha at the bottom of the page was missing,and only an asterisk was displayed.The captcha rendered correctly in Chrome,so it appears to be a FF problem.
被采纳的解决方案
Well,I figured it out. An add-on called "Google Disconnect" was the culprit.I disabled it on the "write a letter to the editor" page of my newspaper,and the capcha reappeared.It is still active on other websites,and that's the way I like it.Google ads were becoming overpowering. Thanks for your suggestions!
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You can try these steps in case of issues with web pages:
You can reload web page(s) and bypass the cache to refresh possibly outdated or corrupted files.
- Hold down the Shift key and left-click the Reload button
- Press "Ctrl + F5" or press "Ctrl + Shift + R" (Windows,Linux)
- Press "Command + Shift + R" (Mac)
Clear the cache and remove cookies only from websites that cause problems.
"Clear the Cache":
- Firefox/Tools > Options > Advanced > Network > Cached Web Content: "Clear Now"
"Remove Cookies" from sites causing problems:
- Firefox/Tools > Options > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"
Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.
- Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
- Do NOT click the Reset button on the Safe Mode start window
The only thing you suggested that works is running in safe mode.Does that mean one of my extensions is at fault? I have only added one new extension,and when I disabled it,it didn't solve my problem.Could it be something to do with the new FF version?
If it works in Safe Mode and in normal mode with all extensions (Firefox/Tools > Add-ons > Extensions) disabled then try to find which extension is causing it by enabling one extension at a time until the problem reappears.
Close and restart Firefox after each change via "Firefox > Exit" (Windows: Firefox/File > Exit; Mac: Firefox > Quit Firefox; Linux: Firefox/File > Quit)
You can try to disable hardware acceleration in Firefox.
- Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
You need to close and restart Firefox after toggling this setting.
- https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
- https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration
In Firefox Safe mode these changes are effective:
- all extensions are disabled (about:addons)
- default theme is used (no persona)
- userChrome.css and userContent.css are ignored (chrome folder in profile folder)
- default toolbar layout is used
- JavaScript JIT compilers are disabled
- hardware acceleration is disabled (Options > Advanced > General)
- plugins are not affected
- preferences are not affected
选择的解决方案
Well,I figured it out. An add-on called "Google Disconnect" was the culprit.I disabled it on the "write a letter to the editor" page of my newspaper,and the capcha reappeared.It is still active on other websites,and that's the way I like it.Google ads were becoming overpowering. Thanks for your suggestions!