olve Etax 40001: Many users have recently encountered the error code ETAX 40001 on the e-Tax Invoice system, which displays the message: “Unable to contact the e-Tax Invoice server. You must be connected to the internet to access the service.” This error persists even when the internet connection appears to be working fine.

If you’re facing this issue while trying to create, approve, or upload tax invoices in the E-Faktur application, don’t worry. This guide will walk you through the steps to resolve the ETAX 40001 error.

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Causes of ETAX 40001 Error

The ETAX 40001 error can typically be attributed to one of three main causes:

Unstable Internet Connection:
- An unstable or interrupted internet connection can prevent the E-Faktur application from communicating with the Directorate General of Taxes (DJP) server.
Antivirus Software:
- Antivirus programs, including Windows Defender, might block the E-Faktur application from accessing the DJP server.
Frequent Computer Changes or External Media Use:
- Regularly switching computers or running the E-Faktur application from external drives can cause issues with the electronic certificate, leading to this error.

Steps to Fix ETAX 40001 Error

1. Check Your Internet Connection

Step 1: Ensure that your internet connection is stable. A quick way to test this is by streaming a video on YouTube. If the video buffers or has interruptions, your internet connection may be the issue.
Solution: Consider switching to a more stable network or troubleshoot your current connection before retrying the E-Faktur application.

2. Temporarily Disable Antivirus Software

Step 1: If you are using Windows Defender, temporarily turn it off by navigating to Start > Settings > Update & Security > Windows Security > Virus & Threat Protection.
Step 2: Click on “Manage settings” and turn off “Real-time protection.”
Step 3: If using a third-party antivirus, disable it via the system tray icon.
Solution: Once the antivirus is disabled, try accessing the E-Faktur application again. If successful, the antivirus was likely blocking access.

3. Update Your Electronic Certificate

Step 1: If you frequently switch computers or use external media, you may need to update your electronic certificate.
Step 2: Open the E-Faktur application and navigate to Reference > Certificate Administration.
Step 3: Click “Open” and select the location where your electronic certificate is stored.
Step 4: If the certificate has expired, renew it, then enter your password and click “OK.”
Solution: Save your changes and attempt to access the E-Faktur application again.

4. Report the Issue to DJP

If none of the above solutions work, the issue may be a bug in the E-Faktur application itself. In this case, report the problem to the Directorate General of Taxes (DJP) for further assistance.

5. Update the E-Faktur Application

Ensure you are using the latest version of the E-Faktur application, which can be downloaded from the official DJP website. Updates often include bug fixes and improvements.

6. Reinstall the E-Faktur Application

If the application files are corrupted or damaged, consider uninstalling and then reinstalling the E-Faktur application. This can resolve errors caused by faulty installations.

7. Disable VPN

If you’re using a VPN, try turning it off and access the E-Faktur application without it. VPNs can sometimes interfere with server communication.

Conclusion

By following these steps, you should be able to resolve the ETAX 40001 error on your E-Faktur application. Regularly maintaining your internet connection, keeping antivirus settings in check, and ensuring your electronic certificates are up-to-date can prevent future occurrences of this issue.