How to solve PDF signature validity is unknown

Step to slove
1. Open the PDF containing the signature, then click the signature.
2. click Signature Properties.
3. Click show signer's certificate.
4. select Trust.
5. Click add to trusted certificates.

[@BanketeshvarNarayan]

Great explanation. using the help of this video I verified a PDF signature of EPFO India

[@NishaantSinghPakhawaji]

Thanks it was really helpful. You solved my problem

[@karthiksubramaniam4846]

Thank you. appreciate your efforts in making this video

[@PetiteFacts]

worked like a charm. Thank you ))

[@ravirajkaranth7089]

Thank You so much it worked🙌🏽🥂

[@SaravananVeeraMemes]

Good Info-Helped a lot

[@narayankushwah5]

Great explanation.

[@atassano2001]

Thanks! Works fine!

[@theboyofjoyy]

that was helpful! thanks

[@MahendraRanawat-jk9sy]

Idk why it didn't work out for me

[@thecatofwallstreet]

But “show signer’s certificate” is not opening…why

[@rohanrandive3202]

thank you so much worked for me

[@marciopeixoto8301]

thanks!!! it work for me

[@mohammadhaaris7756]

Worked, Thanks

[@guruprasadbobhate6711]

Thanks solved issue

[@podunkman2709]

Just BS. How can you know that you can 'trust' certificate you have no idea is real, safe?

[@abhroneildas8146]

worked thanks :)

[@jaganch19]

thanks problem solved

[@SarathBade]

Thank you.. That was helpful..

[@solefinder3708]

me, i'm just sick of all this online stuff and wasting hours fumbling around ....would just rather be outside riding a bike or camping in the woods...I'm just email, verification, this that, burned out...
Just give me a lake and a cabin

[@bapi007_official]

thanks