Mozilla Firefox is not showing history, or you are getting an error message as "The bookmarks and history system will not be functional." Maybe one of Firefox's files is in use by another application, or perhaps a group of security software is causing this issue. Here, the officials of Mozilla Firefox Tech Support have come up with two possible solutions of the concerned problem.

Restart your computer

There are situations when a different program uses the file or a problem with the file that was caused by a power failure (while the computer was shut off unexpectedly). To deal with the concerned, you could restart your computer and then the Firefox browser. Dial Mozilla Firefox Customer Service for further assistance. Highly skilled tech support engineers are committed to help you in the best possible way they can do it.

Create a new places database

• Click on the menu button, click Help, and select Troubleshooting Information
• The Troubleshooting Information tab will open
• Click on Open Folder under the Application Basics section
• Your profile folder will open
• Create the Firefox menu and click Exit
• Wait until Firefox browser has completely quit
• Go to the Firefox profile folder
• Here you need to rename the places.sqlite, places.sqlite-shm (if it exists) and places.sqlite-wal (if it exists) files
• Make right-click on it and select Rename
• Then you need to add .old to the end of its name
• Reopen Firefox then
• A new places database will create when the Firefox reopens
• Your browsing history will be lost
• But the Firefox will automatically import your bookmarks from the most recent backup file

Bookmarks and toolbar buttons are not working after upgrading

Are your browsing history not saving or bookmarks disappearing? Perhaps your web browser stored your bookmarks and browsing history in the "Places database" file (places.sqlite), which is located in the profile folder. Apart from these two, the concerned problem may lead many functions for not working. If you are facing any of these problems, exit all other programs and exit Firefox completely. Otherwise, you could dial Mozilla Firefox Technical Support and ask for assistance. 

Firefox is the modern day browser which enables easy access to web pages and email accounts. Safe access to the accounts is provided and also it is easy to access the browser settings. There might be problems in the Mozilla Firefox browser and changing the proxy settings of the browser might solve the problem instantly. This article will provide steps for altering the proxy settings and for advanced assistance it is advised to contact the technical experts.

Here are the steps to change the proxy settings in Firefox –

Open Firefox and click on the menu button which is in the top-right corner of the Firefox window.

Now click on ‘Options’ or ‘Preferences’ from the drop-down menu of a gear-shaped icon.

Next click on the ‘Advanced’ button.

Click on the ‘Network’ tab which you will get on the ‘Advanced’ page.

Click on ‘Settings’ which is right of the ‘Connection’ heading.

Click the ‘Manual proxy configuration’ circle and then enter the proxy information.

Check the option of ‘Use this proxy server for all server protocols’ and then click ‘OK’.

Not able to change the Mozilla Firefox proxy settings? Contact Mozilla Firefox technical support for help and assistance. Support professionals are the best persons who can provide instant assistance to the browser troubles.