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Check that the certificate is valid

We publish our distributables in zip files. Please do not open a zip file directly in Windows Explorer. Instead, right-click it and select Extract All from the context menu. Then switch to the Digital Signatures tab of setup Properties, select either signature, and click Details:
Click Details.
Click the View Certificate button:
Click View Certificate.
You'll see general information about the certificate:
Go to the Certification Path tab.
On the Certification Path tab, select 4Bits Ltd. and make sure that the certificate is valid:
Check the certificate status.

Related issues

The digital signature is corrupted

See also

Ultimate Suite troubleshooting