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7 Ways to Fix LastPass Extension Not Working or Loading in Chrome, Safari, Firefox

LastPass offers a quick way to store all your passwords, login details, and other important information. The service also lets you download a browser extension for easier access. But some users have been finding it difficult to use the extension because it fails to work. In this article, we will take you through seven ways to fix the LastPass extension not working or loading in Chrome, Firefox, and Safari.

Fix-LastPass-Extension

Fix LastPass Extension Not Working in Chrome, Firefox, and Safari

Users have reported various issues that they have been facing with the LastPass extension. Some cannot install it, while others cannot load their data or sign in. This can be a worrying situation since you could be locked out of all the essential data stored in the password manager.

This is why we have curated a list of seven methods so you can go through each of them one by one and fix the issue with the extension. Let us take a look at them.


Method 1- Remove and Reinstall LastPass Extension

If you already have the extension installed on your browser but cannot use it, it could be for two reasons. Either the extension cannot update itself, or the installation has been corrupted. In this case, you should remove and reinstall the latest version of the LastPass extension, which may help to fix the issue.

Google Chrome

Here is how you can remove and reinstall the LastPass extension in Google Chrome.

Step 1: Open Chrome and click on the extension icon in the toolbar.

Step 2: Under the extension list, click on Manage Extensions.

Step 3: Click on the Remove option under the LastPass extension.

Remove-LastPass-Chrome-Extension

Step 4: Again select Remove in the confirmation prompt.

This will uninstall the LastPass extension from the Chrome browser.

Step 5: Download the LastPass extension from the Chrome Web Store.

Mozilla Firefox

Here is how you can remove and reinstall the LastPass extension in Firefox.

Step 1: Click on the three-line (hamburger) menu in the top right corner.

Step 2: Select Add ons and themes.

Step 3: Click on the three-dot menu next to the LastPass extension.

Step 4: Choose Remove. 

Remove-LastPass-Extension-Firefox

Step 5: Click on Remove in the confirmation prompt.

Step 6: Download the LastPass extension from Firefox Add-ons Store.

Safari

In macOS, Safari downloads extensions as regular apps, so you can remove and reinstall the LastPass extension in Safari.

Step 1: Click on the Apple logo in the top left corner.

Step 2: Select Force Quit… 

Step 3: From the list of running apps, select LastPass and click on Force Quit.

If you can’t find the LastPass app here, move on to step 3.

Step 4: Open Finder and go to the Applications folder.

Step 5: Select LastPass and right-click on it.

Step 6: Click on the Move to bin option.

Remove-LastPass-Extension-Safari

Step 7: Download the LastPass extension from their official website.

Open and sign in to LastPass to check if the extension runs properly.

Method 2- Check If the Extension is Disabled

According to some users, the LastPass download page shows they have the extension installed but can’t find it in the browser toolbar. One possible explanation could be that they have unknowingly disabled the extension. Here is how to re-enable it from browser settings.

Google Chrome

This is how you can enable the LastPass extension in Google Chrome.

Step 1: Click on the extension icon in the Chrome toolbar.

Step 2: Go to Manage Extensions.

Step 3: Locate the LastPass extension and turn on the toggle below it.

Enable-LastPass-Chrome

Mozilla Firefox

This is how you can enable the LastPass extension in Firefox.

Step 1: On Firefox, click on the three-line (hamburger) menu.

Step 2: Select the option Add ons and themes.

Step 3: Turn on the toggle for the LastPass extension.

Enable-LastPass-Firefox

Safari

This is how you can enable the LastPass extension in Safari.

Step 1: Open Safari and click on the Safari menu in the status bar.

Step 2: Go to Preferences…

Step 3: Select the Extensions tab.

Step 4: Tick the box for the LastPass extension to enable it.

Step 5: In the confirmation dialog box, click on Enable.

Once the extension is enabled, it should be visible in the browser toolbar.

Method 3- Temporarily Disable Other Extensions

Other extensions, like aggressive adblockers, can conflict with the LastPass extension. They may interfere with LastPass, preventing the extension from connecting to its server or failing to work properly. So you can try disabling all other extensions in your browser to check if it helps fix the issues with LastPass.

Google Chrome

Follow these steps to temporarily disable other extensions in Google Chrome.

Step 1: On Chrome, click on the extension icon in the top right side of the toolbar.

Step 2: Select Manage Extensions.

Step 3: Turn off the toggle for the rest of the installed extensions to disable them.

Disable-Extensions-Google-Chrome

Make sure not to disable the LastPass extension. Once disabled, your extensions page should look like this.

Mozilla Firefox

Follow these steps to temporarily disable other extensions in Firefox.

Step 1: Click on the three-line (hamburger) menu.

Step 2: Here, click on Add ons and themes.

Step 3: Turn off the toggle for all the other extensions except LastPass.

Go back and try using the LastPass extension.

Safari

Follow these steps to disable other extensions in Safari temporarily.

Step 1: Open the Safari browser, and click on the Safari menu.

Step 2: Go to Preferences… 

Step 3: Select the Extensions tab

Step 4: Untick the box for all other extensions.

Disable-Extensions-Safari

After disabling the rest of the extensions, open LastPass to check if it is working properly.

Method 4- Clear Browser Cache and Site Data

Website and cache data like images, texts, and other site elements get stored in your web browser to help websites load faster. This data can get corrupted, causing issues with the browser and interfering with extensions. So we recommend you clear all this data to fix the LastPass extension.

Google Chrome

Use these steps to clear cache and other site data in Google Chrome.

Step 1: Open Chrome and click on the three-dot menu in the top right corner.

Step 2: Go to More Tools and select Clear Browsing Data… 

Step 3: Select all three options.

Step 4: Click on the box next to the Time range and select All time.

Step 5: Next, click on the Clear Data button.

Clear-Chrome-Cache-data

Step 6: Close and reopen Chrome to check if the LastPass issue is resolved.

Mozilla Firefox

Use these steps to clear the cache and other site data in Firefox.

Step 1: Click on the hamburger menu in the Firefox toolbar.

Step 2: Open Settings.

Step 3: Go to Privacy & Security using the left sidebar.

Step 4: Scroll down to Cookies and Site Data.

Step 5: Click on the Clear Data… button.

Step 6: Tick the box next to both options.

Step 7: Lastly, click on the Clear button.

Clear-Firefox-Cache-Data

Safari

Use these steps to clear the cache and other site data in Safari.

Step 1: For Safari, click on the Safari menu in the status bar above.

Step 2: Select the option, Clear History… 

Step 3: Click on the box and choose all history.

Step 4: Lastly, click on the Clear History button.

Clear-Safari-History

Doing this will also free up some space in your system memory.

Method 5- Allow LastPass as a Trusted Extension

Antivirus programs and security apps can detect malicious extensions and prevent them from running or blocking their installation completely. Programs like Windows Defender and Kaspersky Free AV are particularly aggressive towards extensions.

We recommend you check which Antivirus program is installed on your computer and mark LastPass as a trusted extension.

Kaspersky Free AV users can refer to this post by DCool51 for more help on the topic.

Method 6- Add LastPass Extension to Login Items

If the LastPass extension for Safari is not loading items properly, you may consider adding it to login items. Login items are essentially the Startup apps on Windows. These apps will run in the background when you boot your PC. Here are the steps to add LastPass to Login items.

Step 1: Click on the Apple logo in the top left corner.

Step 2: Go to System Preferences… 

Step 3: Select the Users & Groups option.

Step 4: Under Users & Groups, switch to Login items.

Step 5: Next, click on the plus “+” icon.

Add-Login-Items

Step 6: Select LastPass and click on Add.

This can help overcome any startup issues faced by the LastPass extension in macOS.

Method 7- Reset Browser Settings

If the above methods did not help to fix the issue and the LastPass extension still fails to load then you should consider resetting your browser. Resetting the browser will switch all the browser settings to their original defaults. It will also clear all cache and site data along with installed extensions. It might help to solve the issues you’re facing with LastPass.

Google Chrome

Follow the steps below to reset the settings for Google Chrome.

Step 1: On Chrome, click on the three-dot menu in the top right corner.

Step 2: Open Settings.

Step 3: Select Reset Settings from the left sidebar.

Step 4: Click on Restore settings to their original defaults.

Step 5: In the confirmation prompt, select Reset settings.

Step 6: After the reset, restart Chrome and download the LastPass extension to check if it is working.

Mozilla Firefox

Reset is referred to as refresh in Firefox, so follow these steps to refresh Firefox.

Step 1: Click on the three-line (hamburger) menu in the top right corner.

Step 2: Go to the Help option.

Step 3: Select More troubleshooting information.

Step 4: Here, click on Refresh Firefox…

Reset-Firefox-Settings

Step 5: In the confirmation prompt, select Refresh Firefox again.

Step 6: Once the browser is reset, go ahead and download the LastPass extension again.

Safari

Follow the steps below to reset the settings for Safari.

Step 1: Open Safari and click on the Safari menu in the status bar.

Step 2: Select Preferences… 

Step 3: Go to the Privacy tab.

Step 4: Click on Manage Website Data… under Cookies and website data.

Step 5: Here, click on Remove all to clear all cache and stored data.

Step 6: In the confirmation prompt, select Remove Now.

This will not reset the browser but will clear up all the unnecessary data stored within the browser.

Wrapping Up

These were the seven ways to fix the LastPass extension not working or loading in Chrome, Firefox, and Safari. I hope either one of the above-mentioned methods was able to fix your problem with the LastPass extension. You can also try using the extension on other web browsers. Let us know if you have any further queries about this article. And stay tuned on BrowserToUse for more such articles and How-Tos.

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