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- Outdated Firefox- The outdated version of the Firefox app may cause this error.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: Metode Pemecahan Masalah Dasar
The first approach to solve the Couldn’t load XPCOM error is to try the basic troubleshooting methods listed in this section.
1. Nyalakan ulang 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, click on the Daya button at the bottom-left corner, and click on the Restart option to restart your PC.
2. Periksa Koneksi Internet
An unstable Internet connection may hinder you from using the Firefox browser. You can check the speed of the connection using the Tes kecepatan 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. Meluncurkan Settings dengan menekan Tombol Windows + I bersama-sama.
2. Klik Apps pengaturan.
3. Klik Default apps di sebelah kiri.
4. Scroll down and click on the current Web browser.
5. Choose from the option as per your preference.
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4. Hapus File Sementara
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. Perbaiki File yang Rusak
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. Perbarui 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. Jalankan Pemecah Masalah Pembaruan Windows
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. Lakukan Pemulihan Sistem
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.
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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. tekan Tombol Windows, Jenis firefox dan klik pada Run as administrator .
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. Tekan Tombol Windows, Jenis Firefox dan klik Open.
2. Klik pada Open Application Menu button (indicated by the three horizontal lines) at the top-right corner of the home page and click on the Settings pilihan pada daftar yang ditampilkan.
3. Dalam Umum tab, klik pada Periksa pembaruan tombol di Pembaruan Firefox bagian.
4. Anda akan melihat file Firefox sudah yang terbaru message on the Firefox Updates section.
Catatan: 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. Luncurkan Firefox aplikasi dari Cari jendela bar.
2. Selanjutnya, klik pada Open Application Menu tombol dan klik pada Bantuan pilihan pada daftar yang ditampilkan.
3. Klik pada Mode Pemecahan Masalah… dalam Firefox help jendela.
4. Sekarang, klik pada Restart tombol pada Mulai ulang Firefox dalam Mode Pemecahan Masalah jendela pop-up.
5. Klik pada Segarkan Firefox tombol pada Open Firefox in Troubleshoot Mode confirmation window.
6. Kemudian, klik pada Segarkan Firefox tombol pada Refresh Firefox to its default settings jendela.
7. Terakhir, klik Finish tombol pada Import Complete window to Refresh Firefox completely.
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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. Buka Mozilla Firefox aplikasi dari Cari jendela bar.
2. Klik pada Open Application Menu tombol dan klik pada Bantuan pilihan pada daftar yang ditampilkan.
3. Sekarang, klik pada Mode Pemecahan Masalah… dalam Firefox help jendela.
4. Klik pada Open tombol pada Mulai ulang Firefox dalam Mode Pemecahan Masalah jendela pop-up.
5. Selanjutnya, klik pada Open Application Menu tombol dan klik pada Pengaya dan tema pilihan dalam daftar.
6. Klik pada Ekstensi tab di panel kiri jendela berikutnya dan aktifkan lepas add-on di jendela.
7. Kemudian, klik pada tiga titik horisontal tombol pada add-on dan klik pada Remove tombol pada daftar.
8. Klik pada Remove 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. Buka Mozilla Firefox .
2. Klik pada Open Application Menu tombol dan klik pada bookmark option in the list displayed.
3. Dalam bookmark menu, klik pada Kelola bookmark pilihan di bagian bawah daftar.
4. Dalam Perpustakaan layar, klik pada Impor dan Backup button at the menu bar and click on the Ekspor Bookmark ke HTML option in the drop-down menu displayed.
5. Dalam Export Bookmarks File window, browse and select a location, and click on the Save button to save the 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. Luncurkan Firefox aplikasi peramban.
2. Mengetik tentang: profil in the URL address bar at the top and press the Enter kunci untuk membuka About Profiles jendela.
3. Klik pada Buat Profil Baru tombol di jendela.
4. Selanjutnya, klik pada Selanjutnya tombol pada Welcome to the Create Profile Wizard.
5. Type a name for the Profile in the Masukkan nama profil baru lapangan dan klik pada Finish button in the window to create the Profile.
Catatan: Klik pada Choose Folder… button to change the location for storing the User Profile name instead of the default location.
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Metode 7: Instal ulang 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. tekan Tombol Windows, Jenis panel kontrol dan klik Open.
2. Klik pada opsi Kategori dalam Lihat oleh drop-down menu and click on the Uninstall perangkat lunak pilihan dalam program heading.
3. Pilih Mozilla Firefox (x64 en-AS) dalam daftar, klik pada Uninstall tombol di bagian atas bilah dan klik Yes tombol di jendela UAC.
4. Kemudian, klik pada Selanjutnya tombol di Copot Pemasangan Mozilla Firefox wizard.
5. Selanjutnya, klik pada Uninstall tombol di jendela berikutnya.
6. Klik pada Finish tombol di jendela terakhir untuk menghapus instalan aplikasi Firefox sepenuhnya.
7. tekan Windows+ E kunci-kunci bersama-sama untuk membuka File Explorer dan menavigasi ke PC ini > Disk Lokal (C:) > Program Files > Mozilla Firefox folder.
8. Klik kanan pada file Mozilla Firefox folder dan klik pada Delete pilihan pada daftar untuk menghapus file.
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. Tekan Tombol Windows, Jenis Google Chrome dan klik Open.
Catatan: Anda dapat menggunakan browser web apa pun untuk mengunduh browser Firefox di PC Anda.
2. Buka website resminya Peramban Mozilla Firefox di Google Chrome dan klik Download Firefox tombol di jendela.
3. Klik dua kali pada file eksekusi yang diunduh Firefox Installer.exe untuk menjalankan file instalasi.
4. Tunggu hingga proses instalasi selesai.
5. Luncurkan Firefox Aplikasi Browser Web di PC Anda.
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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. Buka Firefox .
2. Klik pada Open Application Menu tombol dan klik pada Settings pilihan pada daftar yang ditampilkan.
3. Dalam Umum tab, klik pada Pengaturan ... tombol di Pengaturan Jaringan bagian.
4. Pilih Manual proxy configuration pilihan pada Pengaturan Koneksi jendela.
5. Mengetik SOCKS Host: 127.0.0.1 Port: 9050 dalam Proxy HTTP lapangan, jenis 8080 dalam pelabuhan field, and click on the OK .
6. Lalu ketik Tentang: config on the search bar of the Firefox browser and click on the Terima Risiko dan Lanjutkan .
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 benar.
8. Sekarang, ketik https://check.torptoject.org/ in the search bar on the Firefox browser and press the Enter key to check the issues with the Tor Browser.
Rekomendasi:
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.