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- Outdated Firefox- The outdated version of the Firefox app may cause this error.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.
1. meetod: põhilised tõrkeotsingu meetodid
The first approach to solve the Couldn’t load XPCOM error is to try the basic troubleshooting methods listed in this section.
1. Taaskäivitage arvuti
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 klahvi, klõpsake nuppu võim button at the bottom-left corner, and click on the Restart option to restart your PC.
2. Kontrollige Interneti-ühendust
An unstable Internet connection may hinder you from using the Firefox browser. You can check the speed of the connection using the Kiiruskatse 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. Käivita Seaded vajutades Klahvid Windows + I koos.
2. Kliki Apps seade.
3. Kliki Vaikimisi rakendused vasakul paanil.
4. Scroll down and click on the current Veebibrauser.
5. Choose from the option as per your preference.
Samuti loe: Kuidas parandada Firefoxi mittelaadimise lehti
4. Kustutage ajutised failid
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. Värskendage Windowsi
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. Käivitage Windows Update'i tõrkeotsija
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. Tehke süsteemitaaste
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.
Samuti loe: Ühenduse parandamine pole Firefoxis turvaline viga
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. Vajutage nuppu Windows klahv, kirjuta firefox ja kliki Käivita administraatorina valik.
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. Vajutage nuppu Windows klahv, kirjuta Firefox ja kliki avatud.
2. Klõpsake nupul Avage rakenduste menüü button (indicated by the three horizontal lines) at the top-right corner of the home page and click on the Seaded option on the list displayed.
3. Aastal Üldine vahekaardil klõpsake nuppu Kontrolli uuendusi nuppu Firefoxi värskendused sektsiooni.
4. Näete Firefox on ajakohane message on the Firefox Updates section.
Märge: 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. Käivita Firefox rakendus alates Windows Search baar.
2. Järgmisena klõpsake nuppu Avage rakenduste menüü nuppu ja klõpsake nuppu aitama option on the list displayed.
3. Klõpsake nupul Troubleshoot Mode… aasta Firefoxi abi aken.
4. Nüüd klõpsake nuppu Restart nuppu Taaskäivitage Firefox tõrkeotsingu režiimis hüpikaken.
5. Klõpsake nupul Värskenda Firefoxi nuppu Open Firefox in Troubleshoot Mode kinnitusaken.
6. Seejärel klõpsake nuppu Värskenda Firefoxi nuppu Refresh Firefox to its default settings aken.
7. Lõpuks klõpsake nuppu lõpp nuppu Import Complete window to Refresh Firefox completely.
Samuti loe: Parandage Firefoxis tõrge serverit ei leitud
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. Avatud Mozilla Firefox rakendus alates Windows Search baar.
2. Klõpsake nupul Avage rakenduste menüü nuppu ja klõpsake nuppu aitama option on the list displayed.
3. Nüüd klõpsake nuppu Troubleshoot Mode… aasta Firefoxi abi aken.
4. Klõpsake nupul avatud nuppu Taaskäivitage Firefox tõrkeotsingu režiimis hüpikaken.
5. Järgmisena klõpsake nuppu Avage rakenduste menüü nuppu ja klõpsake nuppu Lisandmoodulid ja teemad option on the list.
6. Klõpsake nupul Extensions tab on the left pane of the next window and toggle maha the add-ons on the window.
7. Seejärel klõpsake nuppu kolm horisontaalset punkti button on the add-on and click on the eemalda button on the list.
8. Klõpsake nupul eemalda 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. Avatud Mozilla Firefox app.
2. Klõpsake nupul Avage rakenduste menüü nuppu ja klõpsake nuppu Järjehoidjad suvand kuvatavas loendis.
3. Aastal Järjehoidjad menüü, klõpsake nuppu Hallake järjehoidjaid option at the bottom of the list.
4. Aastal Raamatukogu ekraanil klõpsake nuppu Import and Backup button at the menu bar and click on the Ekspordi järjehoidjad HTML-i option in the drop-down menu displayed.
5. Aastal Ekspordi järjehoidjate fail window, browse and select a location, and click on the Säästa järjehoidjafaili salvestamiseks nuppu.
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. Käivita Firefox brauseri rakendus.
2. Tüüp umbes: profiilid in the URL address bar at the top and press the sisene klahv Profiilide kohta aken.
3. Klõpsake nupul Looge uus profiil nuppu aknal.
4. Järgmisena klõpsake nuppu järgmine nuppu Tere tulemast profiili loomise viisardisse.
5. Type a name for the Profile in the Sisestage uus profiilinimi välja ja klõpsake nuppu lõpp aknas nuppu profiili loomiseks.
Märge: Klõpsake Choose Folder… button to change the location for storing the User Profile name instead of the default location.
Samuti loe: Firefoxi parandamine juba töötab
7. meetod: installige Firefox uuesti
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. Vajutage nuppu Windows klahv, kirjuta juhtpaneel ja kliki avatud.
2. Click on the option Kategooria aasta Vaata võrra drop-down menu and click on the Uninstall tarkvara valik Programmid pealkiri.
3. Valige Mozilla Firefox (x64 en-US) in the list, click on the Uninstall nuppu riba ülaosas ja klõpsake nuppu Jah button on the UAC window.
4. Seejärel klõpsake nuppu järgmine nuppu Mozilla Firefoxi desinstallimine viisardit.
5. Järgmisena klõpsake nuppu Uninstall button in the next window.
6. Klõpsake nupul lõpp button on the last window to completely uninstall the Firefox app.
7. Vajutage nuppu Windows+ E võtmed together to open the File Explorer and navigate to the This PC > Local Disk (C:) > Program Files > Mozilla Firefox kausta.
8. Paremklõpsake ikooni Mozilla Firefox kausta ja klõpsake nuppu kustutama 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. Vajutage nuppu Windows klahv, kirjuta Google Chrome ja kliki avatud.
Märge: You can use any web browser to download the Firefox browser on your PC.
2. Avage ametlik veebisait Mozilla Firefoxi brauser on Google Chrome and click on the Lae Firefox nuppu aknal.
3. Double-click on the downloaded executable file Firefoxi installija.exe to run the installation file.
4. Oodake, kuni installiprotsess on lõppenud.
5. Käivita Firefox Web Browser app on your PC.
Samuti loe: Parandage Windows 10 Firefoxis heli puudumine
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. Avatud Firefox app.
2. Klõpsake nupul Avage rakenduste menüü nuppu ja klõpsake nuppu Seaded option on the list displayed.
3. Aastal Üldine vahekaardil klõpsake nuppu Seadistused ... nuppu Network Settings sektsiooni.
4. Valige Puhverserveri käsitsi konfigureerimine valik Connection Settings aken.
5. Tüüp SOCKS Host: 127.0.0.1 Port: 9050 aasta HTTP-puhverserver väli, tüüp 8080 aasta port field, and click on the OK nuppu.
6. Seejärel tippige Teave: konfig on the search bar of the Firefox browser and click on the Võtke risk ja jätkake nuppu.
7. Finally, type network.proxy.socks_remote_dns otsinguribal ja klõpsake nuppu lülitama sisse button to set the type of the entry to be tõsi.
8. Nüüd tippige https://check.torptoject.org/ in the search bar on the Firefox browser and press the sisene key to check the issues with the Tor Browser.
Soovitan:
The article discusses the methods to fix 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.