Firefox startup takes too long or doesn't open

Replace the home page

The site's own problems may cause Firefox to take a long time to start. Try changing your Firefox to the default home page (About:home) or to a blank page. Follow the instructions for how to set the home page.

Change how Windows and tabs are loaded

If you set up Firefox to use session recovery to display your last open windows and tabs, and the last time you opened a lot of pages with Firefox, Firefox might take a lot of time to start. It is recommended that you check "Do not load before selecting" in the tabbed browsing Panel in the Options window to load only the last selected tab at startup (this should be the default setting).

Enable Firefox to silently download in the background during system startup

If the Firefox cold start (that is, every time the first boot Firefox) takes too long, this program will be very effective.

Open the Windows Startup folder: C:programdatamicrosoftwindowsstart Menuprogramsstartup. Note: You may be required to have administrator privileges on the system.

Press CTRL + C to copy the Firefox shortcuts on your desktop or elsewhere, and then in the folder that you opened in the previous step, press CTRL + V to paste the Firefox shortcut into the Startup folder.

Right-click the Firefox shortcut located in the Startup folder and select Properties.

At the end of this content of the goal, add the parameter-silent. Note that the parameter is preceded by 1 spaces .

Finally click OK to save. Firefox will automatically preload in the background the next time the operating system starts.

　　Note: Some security software may prompt you to add a new system startup entry, which is what this operation produces. This is quite secure and will have little impact on your boot speed. The benefit of this approach is that you do not need to rely on third-party programs, no extra process assistance, no additional resource consumption.

Organize the Firefox User Configuration database

Optimizing the database in the Firefox User profile folder on a regular basis is also good for faster Firefox startup speeds.

You can use the Speedyfox software to securely and conveniently organize the Firefox database files, improve Firefox startup and read the database efficiency.

Speedyfox is a specially designed for Firefox configuration files in the database collation, and ultimately improve the Firefox start speed of green software. The use of Speedyfox is very simple, first quit all running Firefox, and then run Speedyfox, it will automatically check out the system exists in the Firefox configuration folder, in the Available porfile tick you want to optimize the Firefox configuration folder ( Default Select All), click on the right side of the optimize! button.

Speedyfox only optimizes the database and does not affect any data in your configuration (including not limited to history, add-on components, etc.). You can keep Firefox running efficiently every 1-2 weeks.

Troubleshoot problems caused by extensions or themes

Firefox will load extensions at startup, and many extensions have tasks to do when they start up, to learn how to determine whether Firefox startup is caused by extensions, check out Firefox extensions and topic troubleshooting.

Optimization system

Optimize your Windows system to make your computer more efficient and useful for quick start. See the "Performance and maintenance" article for tuning recommendations that apply to your Windows operating system.

Check your antivirus software

Firefox reads a series of files at startup. Some anti-virus software in this process will be too many of these files scanned, before the scan is complete, Firefox can not access these files, will cause slow startup. If Firefox starts slowly and appears after installing/upgrading/reconfiguring antivirus software, contact the antivirus provider for support.

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