Product registration unsuccessful

[jkvint]

When registering a product, I get - Product registration unsuccessful Serial number incorrect!

I checked it several times in different places, but it didn't help.

[Jiaszzz_ASUS]

Hello @jkvint 

Thank you for reaching out to us. 
Regarding the confirmation of the product serial number, we recommend referring to How to Find Product Serial Number guide and kindly paying attention to the distinction between the letter "O" and the number "0," as well as other similar characters.
Additionally, since further inquiries may involve verifying personal information, I have DM you and kindly checked the inbox at your convenience.

Thank you.