Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

搜尋 Mozilla 技術支援網站

防止技術支援詐騙。我們絕對不會要求您撥打電話或發送簡訊,或是提供個人資訊。請用「回報濫用」功能回報可疑的行為。

Learn More

Application error: a client-side exception has occurred (see the browser console for more information).

  • 1 回覆
  • 2 有這個問題
  • 1 次檢視
  • 最近回覆由 cor-el

more options

A website I use frequently has recently been causing error; "Application error: a client-side exception has occurred (see the browser console for more information)." to show up when I visit some of their pages but not all.

Example: https://www.guitarcenter.com/Used/Ibanez/RG5121-Prestige-Solid-Body-Electric-Guitar.gc

The page begins to load and then presents this error. Any help would be appreciated.

A website I use frequently has recently been causing error; "Application error: a client-side exception has occurred (see the browser console for more information)." to show up when I visit some of their pages but not all. Example: https://www.guitarcenter.com/Used/Ibanez/RG5121-Prestige-Solid-Body-Electric-Guitar.gc The page begins to load and then presents this error. Any help would be appreciated.

所有回覆 (1)

more options

This issue can be caused by corrupted cookies or blocked cookies.

  • check the permissions for the domain in the currently selected tab in "Tools -> Page Info -> Permissions"

You can try these steps in case of issues with webpages:

You can reload webpage(s) and bypass the cache to refresh possibly outdated or corrupted files.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 the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Settings).

"Remove the Cookies" for websites that cause problems:

  • Settings -> Privacy & Security
    Cookies and Site Data: "Manage Data"

"Clear the Cache":

  • Settings -> Privacy & Security
    Cookies and Site Data -> Clear Data -> [X] Cached Web Content -> Clear

Start Firefox in Troubleshoot Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration or userChrome.css 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 Troubleshoot Mode start window