How do I fix login issues suddenly appearing on Windows 7?

If you don't update the certificate, your use of Polaris Office will be restricted.
To comply with information security regulations, please update the certificate using the following methods:

Method 1. Update to the latest version of Windows
- Update your computer's Windows operating system to the latest version and verify that Polaris Office is functioning properly.
  If it doesn't work properly, you'll need to manually register the certificate (Method 2).

Method 2. Manual certificate registration
- Follow the instructions provided at the link below to apply the new certificate and log in.
> Certificate Update Guide: https://polarisoffice.com/en/windows7-update