Consult the technical requirements and recommendations from here.
If, when submitting and signing a document using the autofirm@ client we have installed, we get a message like this:
It is resolved by importing the autofirma root certificate located at C:\Program Files\AutoFirma\AutoFirma\AutoFirma_ROOT.cer into Firefox, under Firefox Authorities. This may occur with the latest versions of Firefox.
There is a limit of 15 MB for the size of files to be uploaded via the Electronic Register.
Avoid the following characters:
We recommend short and simple names (e.g., document 1, document 2, ...).
This is because you do not have the AutoFirma application installed. Click here to download the application.When signing a document, the message "The connection to the @firma application has been lost" appearsIf you are using Internet Explorer 11 (IE11), you must uncheck the "Enable Protected Mode" option in "Internet Options -> Security" and restart the browser for the changes to take effect.To learn more about how to use this service, click here.
Within each application, when uploading a file, the accepted formats are specified.
However, it is recommended to upload the document in PDF format.
Firefox has a certificate store that is different from Internet Explorer and Chrome. Therefore, both the certificate to be used and its public keys must be installed in Firefox's key store.