How to fix errors: XenForo 2 upgrade check failed

If you are using Xenforo 2 nulled version you will get this error. XenForo upgrade check failed.

Method 1: Use addon
https://xenvn.com/threads/xenvn-disable-xf-upgrade-check-xenforo-2.3357/

Method 2: Manually edit
To fix this error, open the file: src/XF/Repository/UpgradeCheck.php

Find code:

You must log in to view
(4 lines)

Replace with:

You must log in to view
(4 lines)

Please keep the correct file structure, just change true to false to proceed to the following step:
Open the file: src/addons/XF/hashes.json

Find line:

You must log in to view
(1 lines)

6a9497c1c1873aeef0b4fb823af81e8df07fad54e693fdba89fe2aa29489734a
This code may vary, depending on the version of Xenforo 2.

Replace with:

You must log in to view
(1 lines)

Done.

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