We have seen a rise in the number of people reporting issues automatically updating Gravity Forms, downloading or updating Gravity Forms add-ons from within their WordPress Dashboard. Upon investigation, we have discovered that the issue is typically due to a shared IP address being blacklisted by one of a number of Internet security firms.
This is a common problem with shared web hosts. Unlike most VPS and dedicated solutions, shared web hosts will share an IP address across multiple customers. If one customer does something malicious (intentionally or unintentionally) he can get that IP address blacklisted by one or more internet security providers. In other words, one user of a shared IP address can easily ruin things for all users of that shared IP address.
To be clear, this can also happen on VPS and dedicated solutions. You can accidentally get your IP address blacklisted, or the previous user of that IP address may have gotten it blacklisted. But it is much more common with shared web hosts that use shared IP addresses.
This is an issue that web hosts should not ignore. If they are providing customers with blacklisted IP addresses, it's like providing a user with a stolen social security number or identity. It will only lead to problems for all customers using that IP address. If you encounter the issue discussed in this blog post and are able to verify that your IP address is blacklisted, contact your web host. If they show no interest in assisting you in resolving the issue, I would suggest you find a new web host.