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- Outdated Firefox- The outdated version of the Firefox app may cause this error.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.
Metode 1: Basiese probleemoplossingsmetodes
The first approach to solve the Couldn’t load XPCOM error is to try the basic troubleshooting methods listed in this section.
1. Herbegin rekenaar
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 sleutel, klik op die Power button at the bottom-left corner, and click on the herlaai opsie om jou rekenaar te herbegin.
2. Gaan Internetverbinding na
An unstable Internet connection may hinder you from using the Firefox browser. You can check the speed of the connection using the Spoedtoets 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. Begin Stellings deur te druk Windows + I sleutels saam.
2. Kliek op Apps instelling.
3. Kliek op Verstekprogramme aan die linkerkant.
4. Scroll down and click on the current Web browser.
5. Choose from the option as per your preference.
Lees ook: Hoe om Firefox reg te stel wat nie bladsye laai nie
4. Verwyder tydelike lêers
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. Repair Corrupt Files
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. Dateer Windows op
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. Begin Windows Update Probleemoplosser
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. Voer Stelselherstel uit
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.
Lees ook: Herstel jou verbinding is nie veilige fout op Firefox nie
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. Druk die Windows sleutel, tik firefox en klik op die Begin as administrateur opsie.
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. Klik op die Windows sleutel, tik Firefox en klik op Opening.
2. Klik op die Maak toepassingskieslys oop button (indicated by the three horizontal lines) at the top-right corner of the home page and click on the Stellings opsie op die lys wat vertoon word.
3. In die algemene oortjie, klik op die Kyk vir opdaterings knoppie in die Firefox -opdaterings afdeling.
4. Jy sal die Firefox is op datum message on the Firefox Updates section.
let wel: 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. Begin die Firefox app van die Windows Search bar.
2. Klik dan op die Maak toepassingskieslys oop en klik op die help opsie op die lys wat vertoon word.
3. Klik op die Troubleshoot Mode… in die Firefox hulp venster.
4. Klik nou op die herlaai knoppie op die Herbegin Firefox in Foutspoormodus pop-up venster.
5. Klik op die Herlaai Firefox knoppie op die Open Firefox in Troubleshoot Mode bevestigingsvenster.
6. Klik dan op die Herlaai Firefox knoppie op die Refresh Firefox to its default settings venster.
7. Laastens, klik op die Voltooi knoppie op die Import Complete window to Refresh Firefox completely.
Lees ook: Stel bediener nie gevind nie fout in Firefox reg
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. Maak die Mozilla Firefox app van die Windows Search bar.
2. Klik op die Maak toepassingskieslys oop en klik op die help opsie op die lys wat vertoon word.
3. Klik nou op die Troubleshoot Mode… in die Firefox hulp venster.
4. Klik op die Opening knoppie op die Herbegin Firefox in Foutspoormodus pop-up venster.
5. Klik dan op die Maak toepassingskieslys oop en klik op die Byvoegings en temas opsie op die lys.
6. Klik op die Uitbreidings oortjie aan die linkerkant van die volgende venster en skakel af die byvoegings op die venster.
7. Klik dan op die drie horisontale kolletjies knoppie op die byvoeging en klik op die Verwyder knoppie op die lys.
8. Klik op die Verwyder 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. Maak die Mozilla Firefox app.
2. Klik op die Maak toepassingskieslys oop en klik op die Boekmerke opsie in die lys vertoon.
3. In die Boekmerke kieslys, klik op die Bestuur boekmerke option at the bottom of the list.
4. In die biblioteek skerm, klik op die Invoer en rugsteun button at the menu bar and click on the Voer boekmerke uit na HTML... option in the drop-down menu displayed.
5. In die Voer boekmerklêer uit window, browse and select a location, and click on the Stoor knoppie om die boekmerklêer te stoor.
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. Begin die Firefox blaaier-toepassing.
2. tipe oor: profiele in the URL address bar at the top and press the Tik sleutel om die Oor profiele venster.
3. Klik op die Skep 'n nuwe profiel knoppie op die venster.
4. Klik dan op die volgende knoppie op die Welkom by die Skep profiel-assistent.
5. Type a name for the Profile in the Voer nuwe profielnaam in veld en klik op die Voltooi knoppie in die venster om die profiel te skep.
let wel: Klik op die Choose Folder… button to change the location for storing the User Profile name instead of the default location.
Lees ook: Herstel Firefox is reeds aan die gang
Metode 7: Herinstalleer 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. Druk die Windows sleutel, tik beheer paneel en klik op Opening.
2. Klik op die opsie kategorie in die Kyk na aftreklys en klik op die Verwyder 'n program opsie in die Programme opskrif.
3. Kies die Mozilla Firefox (x64 en-US) in die lys, klik op die Verwyder knoppie aan die bokant van die balk en klik op die Ja knoppie op die UAC-venster.
4. Klik dan op die volgende knoppie in die Mozilla Firefox verwyder wizard.
5. Klik dan op die Verwyder knoppie in die volgende venster.
6. Klik op die Voltooi knoppie op die laaste venster om die Firefox-toepassing heeltemal te verwyder.
7. Druk die Windows+ E sleutels saam om die File Explorer oop te maak en na die Hierdie rekenaar > Plaaslike skyf (C:) > Programlêers > Mozilla Firefox gids.
8. Regsklik op die Mozilla Firefox gids en klik op die verwyder opsie op die lys om die lêers uit te vee.
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. Klik op die Windows sleutel, tik Google Chrome en klik op Opening.
let wel: Jy kan enige webblaaier gebruik om die Firefox-blaaier op jou rekenaar af te laai.
2. Maak die amptelike webwerf van die Mozilla Firefox -blaaier op Google Chrome en klik op die Laai Firefox af knoppie op die venster.
3. Dubbelklik op die afgelaaide uitvoerbare lêer Firefox Installer.exe om die installasielêer uit te voer.
4. Wag vir die installasieproses om te voltooi.
5. Begin die Firefox Webblaaier-toepassing op jou rekenaar.
Lees ook: Maak geen klank reg in Firefox op 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. Maak die Firefox app.
2. Klik op die Maak toepassingskieslys oop en klik op die Stellings opsie op die lys wat vertoon word.
3. In die algemene oortjie, klik op die Instellings ... knoppie in die Netwerkstellings afdeling.
4. Kies die Manual proxy configuration opsie op die Verbindingsinstellings venster.
5. tipe SOCKS Host: 127.0.0.1 Port: 9050 in die HTTP-instaanbediener veld, tik 8080 in die Port field, and click on the OK knoppie.
6. Tik dan About: config on the search bar of the Firefox browser and click on the Aanvaar die risiko en gaan voort knoppie.
7. Finally, type netwerk.proxy.socks_remote_dns in die soekbalk en klik op die skakel button to set the type of the entry to be waar.
8. Nou, tik https://check.torptoject.org/ in the search bar on the Firefox browser and press the Tik key to check the issues with the Tor Browser.
Aanbeveel:
Die artikel bespreek die metodes om reg te maak 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.