Mozilla Firefox is a trusted Web Browser and is compatible with most devices. However, the Couldn’t load XPCOM error message pops up now and then. The XPCOM is a cross-platform component model from the Mozilla Firefox, so the Cannot load XPCOM error disrupts the browsing. You may click on the OK button to close the error message, but you may not be able to use the Firefox app. The article addresses the error and the methods to resolve the XPCOM Firefox error are explained here.
How to Fix Mozilla Firefox Couldn’t Load XPCOM Error on Windows 10
The list of causes for which the XPCOM error occurs on Firefox is given in this section.
- Outdated Firefox- The outdated version of the Firefox app may cause this error.
- Corrupt Firefox User Profile- The User Profile on the Firefox Web Browser may be corrupt or may have malware sources.
- Third-party Extensions on Firefox- The issue with the XPCOM may arise if there are third-party extensions installed on the Firefox app.
- Corrupt System Files- The System files installed locally on your PC may have been corrupt or the PC may be infected with a virus.
Paraan 1: Mga Pangunahing Paraan sa Pag-troubleshoot
The first approach to solve the Couldn’t load XPCOM error is to try the basic troubleshooting methods listed in this section.
1. I-restart ang PC
There might be some glitches on your PC that prevent you from using the Firefox browser; you can restart your PC to fix the error. Press the Windows key, i-click ang kapangyarihan button at the bottom-left corner, and click on the restart opsyon upang i-restart ang iyong PC.
2. Suriin ang Koneksyon sa Internet
An unstable Internet connection may hinder you from using the Firefox browser. You can check the speed of the connection using the Bilis ng pagsubok and assess its quality.
- If the speed is low, try using any other Wi-Fi network for browsing on Firefox.
- Consider changing the data plan of the Internet Connection to a better plan.
3. Switch to Another Web Browser
If the XPCOM error with the Firefox Web Browser is still not resolved, you can try switching to another Web Browser like Google Chrome. Follow the steps below to switch to a different browser:
1. Ilunsad Setting sa pamamagitan ng pagpindot Mga susi ng Windows + I sama-sama.
2. Mag-click sa Apps setting na ito.
3. Mag-click sa Default apps sa kaliwang pane.
4. Scroll down and click on the current Web browser.
5. Choose from the option as per your preference.
Gayundin Basahin: Paano Ayusin ang Firefox na Hindi Naglo-load ng Mga Pahina
4. Tanggalin ang Mga Pansamantalang File
The numerous temporary files saved locally on your PC may have disrupted the browsing activity on Firefox. You can read the method to delete the temp files on your PC using the link given here.
5. Ayusin ang mga Sirang File
The files on your PC may be corrupt and have some issues which may cause the Couldn’t load XPCOM error. Read the article to repair system files on Windows 10 for corrupt files using the link provided here.
6. I-update ang Windows
In most instances, using an outdated OS may cause issues on the PC; you need to update the Windows on your PC to the latest version to fix this error. Read the article on how to update Windows on your PC using the link given here.
7. Patakbuhin ang Windows Update Troubleshooter
The issues with the Firefox browser can be cleared by using the Windows Troubleshooter on your PC. Read the method to run the Windows Troubleshooter using the link here and fix the error.
8. Disable Antivirus Temporarily (If Applicable)
The third-party security services on your PC may disrupt you from using the Firefox app; you can disable the anti-virus program to fix this error. Implement the steps given in the link here to disable the Anti-virus software on your PC.
9. Magsagawa ng System Restore
If the Firefox app performed better on the previous version of the Windows PC, you can try performing a System Restore on your PC to fix the error. The link which is given here will provide you with the method to perform a System Restore on your PC.
Gayundin Basahin: Ang Ayusin ang Iyong Koneksyon ay hindi Secure Error sa Firefox
Method 2: Run Firefox as Administrator
The Couldn’t load XPCOM error might appear if the Firefox is not granted the administrative permissions on your PC. You have to run the Firefox app as an Administrator on your Pc to fix the error.
1. pindutin ang Windows key, type firefox at i-click ang Patakbuhin bilang administrator pagpipilian.
Method 3: Update Firefox Browser
Using an outdated version of the Firefox Web Browser can be a reason for this error. Follow the steps below to update the Firefox app on your PC.
1. Pindutin ang Windows key, type Firefox at mag-click sa Pagbubukas.
2. Mag-click sa Buksan ang Menu ng Application button (indicated by the three horizontal lines) at the top-right corner of the home page and click on the Setting opsyon sa ipinapakitang listahan.
3. Nasa Pangkalahatan tab, mag-click sa Suriin ang mga update na pindutan sa Mga Update sa Firefox seksyon.
4. Makikita mo ang Ang Firefox ay napapanahon message on the Firefox Updates section.
tandaan: If there is an update for the Firefox browser, you will be prompted accordingly.
Method 4: Refresh Firefox Browser
To fix the Couldn’t load XPCOM error on the Firefox app, you can refresh Firefox entirely.
1. Ilunsad ang Firefox app mula sa Paghahanap sa Windows bar.
2. Susunod, i-click ang Buksan ang Menu ng Application pindutan at mag-click sa Tulong opsyon sa ipinapakitang listahan.
3. Mag-click sa Troubleshoot Mode… nasa Tulong sa Firefox window.
4. Ngayon, i-click ang restart pindutan sa I-restart ang Firefox sa Troubleshoot Mode pop-up window.
5. Mag-click sa I-refresh ang Firefox pindutan sa Open Firefox in Troubleshoot Mode window ng kumpirmasyon.
6. Pagkatapos, i-click ang I-refresh ang Firefox pindutan sa Refresh Firefox to its default settings window.
7. Panghuli, mag-click sa Tapusin pindutan sa Import Complete window to Refresh Firefox completely.
Gayundin Basahin: Ayusin ang Server Not Found Error sa Firefox
Method 5: Disable Firefox Extensions
The extensions on the Firefox Web Browser can be a reason for the Couldn’t load XPCOM error. You can disable the extensions on the browser to fix the error.
1. buksan ang Mozilla Firefox app mula sa Paghahanap sa Windows bar.
2. Mag-click sa Buksan ang Menu ng Application pindutan at mag-click sa Tulong opsyon sa ipinapakitang listahan.
3. Ngayon, i-click ang Troubleshoot Mode… nasa Tulong sa Firefox window.
4. Mag-click sa Pagbubukas pindutan sa I-restart ang Firefox sa Troubleshoot Mode pop-up window.
5. Susunod, i-click ang Buksan ang Menu ng Application pindutan at mag-click sa Mga add-on at tema opsyon sa listahan.
6. Mag-click sa Extension tab on the left pane of the next window and toggle off the add-ons on the window.
7. Pagkatapos, i-click ang tatlong pahalang tuldok button on the add-on and click on the Alisin button on the list.
8. Mag-click sa Alisin button on the confirmation pop-up message window.
Method 6: Create New Firefox Profile
The current User Profile on the Firefox web browser may be corrupt; you can create a new User Profile to fix the Couldn’t load XPCOM error.
Step I: Import Saved Bookmarks
As a first step, you need to import the Bookmarks you have saved on the current User Profile to avoid any loss of data.
1. buksan ang Mozilla Firefox app.
2. Mag-click sa Buksan ang Menu ng Application pindutan at mag-click sa Mga Bookmark opsyon sa ipinapakitang listahan.
3. Nasa Mga Bookmark menu, i-click ang Pamahalaan ang mga bookmark option at the bottom of the list.
4. Nasa Aklatan screen, mag-click sa Mag-import at I-backup button at the menu bar and click on the I-export ang Mga Bookmark sa HTML... option in the drop-down menu displayed.
5. Nasa I-export ang File ng Mga Bookmark window, browse and select a location, and click on the I-save ang button upang i-save ang bookmarks file.
Step II: Create New User Profile
This section will introduce the method to create a new User Profile on the Firefox app to fix the Couldn’t load XPCOM error.
1. Ilunsad ang Firefox browser app.
2. Uri tungkol sa: mga profile in the URL address bar at the top and press the Magpasok susi upang buksan ang Tungkol sa Mga Profile window.
3. Mag-click sa Lumikha ng isang Bagong Profile button sa bintana.
4. Susunod, i-click ang susunod pindutan sa Maligayang pagdating sa Create Profile Wizard.
5. Type a name for the Profile in the Maglagay ng bagong pangalan ng profile field at mag-click sa Tapusin button sa window upang likhain ang Profile.
tandaan: Mag-click sa Choose Folder… button to change the location for storing the User Profile name instead of the default location.
Gayundin Basahin: Ayusin ang Firefox ay Tumatakbo na
Paraan 7: I-install muli ang Firefox
The Firefox app installed on your PC might be corrupt or not properly installed. You can reinstall Firefox on your PC to fix the Couldn’t load XPCOM error.
Step I: Uninstall Firefox
The first step is to uninstall the existing version of the Firefox web browser on your PC using the Control Panel.
1. pindutin ang Windows key, type control panel at mag-click sa Pagbubukas.
2. Mag-click sa opsyon kategorya nasa Tingnan ayon sa drop-down menu and click on the I-uninstall ang isang programa na opsyon sa Programa heading.
3. Piliin ang Mozilla Firefox (x64 en-US) in the list, click on the I-uninstall button sa tuktok ng bar at mag-click sa Oo button on the UAC window.
4. Pagkatapos, i-click ang susunod na pindutan sa I-uninstall ang Mozilla Firefox wizard.
5. Susunod, i-click ang I-uninstall button in the next window.
6. Mag-click sa Tapusin button on the last window to completely uninstall the Firefox app.
7. pindutin ang Windows+ E mga susi together to open the File Explorer and navigate to the This PC > Local Disk (C:) > Program Files > Mozilla Firefox folder.
8. Mag-right click sa Mozilla Firefox folder at i-click ang alisin option on the list to delete the files.
Step II: Reinstall Firefox
The next step to fix the Couldn’t load XPCOM error is to reinstall the Firefox Web Browser on your PC.
1. Pindutin ang Windows key, type Google Chrome at mag-click sa Pagbubukas.
tandaan: You can use any web browser to download the Firefox browser on your PC.
2. Buksan ang opisyal na website ng Mozilla Firefox browser on Google Chrome and click on the I-download ang Firefox button sa bintana.
3. Double-click on the downloaded executable file Firefox Installer.exe to run the installation file.
4. Hintaying makumpleto ang proseso ng pag-install.
5. Ilunsad ang Firefox Web Browser app on your PC.
Gayundin Basahin: Ayusin ang Walang Tunog sa Firefox sa Windows 10
Method 8: Modify Tor Web Browser Settings
If you are using the Tor Web browser, in addition to Firefox, the issues on the Tor browser may cause the Couldn’t load XPCOM error. To fix this error, you can try checking for the issues on the Tor browser using Firefox to fix the error.
1. buksan ang Firefox app.
2. Mag-click sa Buksan ang Menu ng Application pindutan at mag-click sa Setting opsyon sa ipinapakitang listahan.
3. Nasa Pangkalahatan tab, mag-click sa Mga setting… na pindutan sa Setting ng network seksyon.
4. Piliin ang Ang manu-manong pagsasaayos ng proxy opsyon sa Mga Setting ng Koneksyon window.
5. Uri SOCKS Host: 127.0.0.1 Port: 9050 nasa Http proxy field, type 8080 nasa Port field, and click on the OK button.
6. Pagkatapos, i-type Tungkol sa: config on the search bar of the Firefox browser and click on the Tanggapin ang Panganib at Magpatuloy button.
7. Finally, type network.proxy.socks_remote_dns in the search bar and click on the toggle button to set the type of the entry to be totoo.
8. Ngayon, i-type https://check.torptoject.org/ in the search bar on the Firefox browser and press the Magpasok key to check the issues with the Tor Browser.
Inirerekomenda:
Tinatalakay ng artikulo ang mga paraan upang ayusin couldn’t load XPCOM Firefox error on Windows 10 PC. Try implementing the methods discussed in the article to fix the error and please leave your suggestions on the same in the comments section. If you have any queries on the Cannot load XPCOM error, post them in the comments.