Applies to ASComm.NET, ASBrowse.NET, and OPC Servers
When you try to install ASComm.NET, ASBrowse.NET, or an OPC Server, you receive the following error message: The system cannot open the device or file specified
This behavior occurs because the Temp folder and possibly other folders used during installation are encrypted by using the Encrypted File System.
Refer to related Microsoft Knowledgebase article:
The following directories need encryption disabled during installation
1. Directory where you saved the downloaded setup.exe file
3. C:\Program Files\Automated Solutions\
After installation, it is okay to enable encryption.