# net::ERR\_CERT\_DATE\_INVALID Error in using License Key

**URL:** <https://pdfjs.community/t/net-err-cert-date-invalid-error-in-using-license-key/235>\
**Category:** Technical Support\
**Created:** [August 31, 2020, 2:24pm UTC](https://pdfjs.community/t/net-err-cert-date-invalid-error-in-using-license-key/235 "2020-08-31T14:24:26Z")\
**Posts on this page:** 1\
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**Author:** ![abhishek11.maurya199](https://avatars.discourse-cdn.com/v4/letter/a/ed655f/32.png) [@abhishek11.maurya199](https://pdfjs.community/u/abhishek11.maurya199)\
**Post date:** [August 31, 2020, 2:24pm UTC](https://pdfjs.community/t/net-err-cert-date-invalid-error-in-using-license-key/235/1 "2020-08-31T14:24:26Z")

</div>

Hello @Logan @zzhang

I am getting this error.  
GET [https://auth.pdfjs.express/?key=](https://auth.pdfjs.express/?key=)… net::ERR\_CERT\_DATE\_INVALID

Please suggest any solution for it.

Regards  
Abhishek Maurya

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