If Mozilla Firefox crashes for you or is giving you slowdown issues like consuming excessive amounts of CPU, then you can try the Reset function of Firefox. It's a useful but rarely covered feature. Resetting quickly solves any issues caused by damaged or incorrectly configured settings, and saves your time. It can resolve issues related to unexpected Firefox behavior, e.g. recently I removed a malicious user script running in my friend's Firefox profile using Reset. Let's see how to use the Reset Firefox feature.
- Open the Firefox browser and type the following in the address bar:
- On the right, you will see the Reset Firefox button.
- Click it and confirm the action in the dialog which appears next on the screen.
After the reset, the following settings will be reverted to their default values:
- Site-specific preferences
- Custom search engines
- Download history and download actions will be deleted
- Security certificate settings and security device settings will reverted
- Plugin MIME types, toolbar customizations, user styles, themes and extensions will be removed
Please keep in mind that the Reset feature will not remove your bookmarks, saved passwords, forms data, cookies, browsing history and personal dictionary.
See this article if you want to see how you can reset Internet Explorer.
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