Sporadically, the error that the Automation Runtime file cannot be read appears during download or offline installation, causing the installation to be cancelled.
To solve this problem, proceed as follows.
- Switch to an older AR version in the project
- Reinstall the desired AR version via [Tools->Upgrades].
Set the filter to and select the Checkbox [Show upgrades alreday installed] - Switch back to the desired AR version
- Restart the installation
With this procedure, the error can be rectified and the project can be reloaded with the desired AR version.