I get an error 1603 when trying to install Hamachi. What can I do?
Issues related to the Windows operating system cause 1603 errors.
Symptom
When installing the host software you see the following error:
Error 1603: A fatal error occurred during installationResolution
The solution to a 1603 error depends on its root cause. See Microsoft's support site.
Article last updated: 27 September, 2022