An error occurred while applying an incremental update to the ESET base file

This time,ESET Internet SecurityThis article introduces a solution for when you receive the error message "An error occurred while applying a differential update to the base file" when updating.

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How to resolve the error "An error occurred while applying an incremental update to the base file"

1.Click the ESET Internet Security icon on the taskbar.

2. Click "Settings" on the left.

3.Click "Advanced Settings" at the bottom right.

ESET Internet Security
ESET Internet Security

If you have set a password, enter it and click OK.

ESET Internet Security - Enter password
ESET Internet Security – Enter password

4. Click ① "Update" on the left side, and click ② "Delete" button next to "Delete update cache" on the right side.

5.③ Click OK.

ESET Internet Security - Advanced Settings - Updates
ESET Internet Security – Advanced Settings – Update

The description for the Delete button reads, "If you experience issues downloading an application or module, clear the temporary update files/cache."

Delete button explanation
Delete button explanation

Now that the update cache has been deleted, try updating manually again.

6. Click ① "Update" on the left and ② "Check for latest version" at the bottom right.

ESET Internet Security
ESET Internet Security

If there are no other problems, the update will complete without any errors.

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Person who wrote this article

Driven by questions arising from my daily PC use and the desire to "do more," I have been pursuing self-study in Windows since around 2008. I am sharing the "aha!" techniques and solutions I discovered through trial and error with the sole purpose of helping you in your PC life.

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