Case B.If you still cannot play videos on YouTube, navigate again to the "Troubleshooting information" screen and clickRefresh Firefoxto reset the browser to default settings. Other Solutions to Resolve the "YouTube Videos Does Not Open in Firefox" problem. 1.Update Mozilla Firefox by going to...
If you can't resolve the problem this way, follow the steps below to reset the default user agent. Reset the default Firefox user agent You can reset your user agent as follows: Warning: These instructions are for experienced Firefox users. Changing settings in the Configuration Editor (...
Refreshing Firefox is restoring it to its default settings. Preferences get reset and all your customizations, such as themes and added extensions, will be lost. Follow these steps to refresh your Firefox Browser. Step 1:Launch Firefox Browser. Step 2:Click on the three short horizontal bar but...
Method 3. Reset Firefox Settings to Default (Refresh Firefox). 1.Start FirefoxinSafe Mode. 2. ChooseRefresh Firefox. 3. ChooseRefresh Firefoxagain. * * Note: The refresh Firefox feature restores all browser settings to default, by creating a new user profile and by removing all Firefox's Ad...
Setting Firefox Preferences to Default Values Procedure In the Firefox address bar, typeabout:configand pressEnter. TheThis might void your warrantywarning page appears. ClickI'll be careful. I promise! Theabout:configpage appears. Search for the Preference Namedom.max_script_run_time. a...
delete possible user.js and numbered prefs-##.js files and rename/remove the prefs.js file to reset all prefs to the default value including prefs set via user.js and prefs that are no longer supported in current Firefox releases http://kb.mozillazine.org/preferences_not_saved http://...
In the search bar, typesecurity.ssl.*to filter SSL-related settings. Look for any settings that are in bold, which indicate they’ve been modified. HitResetto restore them to their default values. While in theAdvanced Preferencespage, consider also resetting the Online Certificate Status Protocol...
; ### 函数 CheckAndResetDefaultBrowser Firefox是默认浏览器的时候,把相关 firefox.exe 的路径设置为启动器路径Func CheckAndResetDefaultBrowser(); 用于判断默认浏览器的键Local $DefaultKeyFtp = "HKCU\Software\Microsoft\Windows\Shell\Associations\UrlAssociations\ftp\UserChoice"Local $DefaultKeyHttp = "HKCU...
Method 3. Reset Firefox Settings to Default (Refresh Firefox). 1. Start Firefox in Safe Mode. 2. Choose Refresh Firefox. 3. Choose Refresh Firefox again. * * Note: The refresh Firefox feature restores all browser settings to default, by creating a new user profile and by removing all Fire...
then remove it completely (by starting Firefox in Safe mode).– If after disabling all plugins, the XPCOM error persists then reset Firefox to Default Settings by applying the steps in next Method.Method 3. Reset Firefox Settings to Default (Refresh Firefox).1. Start Firefox in Safe Mode.