

“The operating system does not support the SHA-2 as the signature algorithm. For instance, in the past, Kaspersky has thrown this error for lacking the update. If you don’t have the mandatory update installed, you may not be able to install Firefox. Once you update to or install Firefox 100, it will work without any issues. Search for KB4467719, if you’ve “ Security update for Microsoft Windows (KB4474419)” listed, you don’t need to worry.Click on Programs > Programs and Features >.You may have the update automatically installed in October 2019, here is how to check. Back in 2019, Microsoft ditched SHA-1 and introduced SHA2- code signing support for Windows 7 SP1 and Windows Server 2008 R2 SP1, and Windows Server 2008 SP2 with KB4474419.
