If so, it is important for you to read on . Netscape browser and server products employ root certificates from companies including, but not limited to Verisign, as an enabling feature of SSL communications - specifically, authentication.
All root certificates expire periodically.
At your earliest convenience, upgrade the browser to the current Netscape Communicator version. If the certificates are not updated, the products may fail to properly operate. Replacing server root certificates requires careful attention to the most current tech notes and instructions. Failure to follow the most current tech notes and instructions will not correct the issue. Please note that patches may be required to implement some solutions.