This article is a guide towards resolving the Heimdal Security installation failure.
In some cases, the installation of Heimdal Security software may fail, giving the following error: “Could not activate license”. If this happens, the first recommended troubleshoot is the one found HERE.
Another factor that might cause the issue is an error that can be found in Heimdal Security’s Logs. The error states: “This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.”
The solution is the following:
To correct this behavior:
1. Disable the "Local Security Setting System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing" policy in Windows.
1. Go to Start > Control Panel > Administrative tools > Local Security Policy. The Group Policy dialog appears. Under the "Local Policies" heading, select "Security Options" and look for the entry, "System cryptography: Use FIPS compliant algorithms for encryption, hashing, and signing." If this entry is enabled, disable it.
3. Open the registry editor and browse the following path. Make sure this registry subkey is set to 0: