The error you are getting is simply PowerShell telling you that it probled all the folders specified in your $env:PSModulePath (i.e. %PSMODULEPATH% env variable) and it did not find the SQLPS module (its manifest file, basically).
I am not clear how you are "exporting/importing" the SQLPS. Could you elaborate on that?
On a clean machine without SQLPS (i.e. with no SQL Engine nor SQL Management Studio), I would just rely on the SQL Feature Pack to get SQLPS. If this is what you are trying to accomplish, you can just go to https://www.microsoft.com/en-us/download/details.aspx?id=42295 and download the following MSIs (pick the architecture of your OS):
- SQLSysClrTypes.mai
- SharedManagementObjects.msi
- PowerShellTools.msi
Install them in that order. Then, when you open a PowerShell window, the $env:PSModulePath should be set correctly and you should be able to just say "Import-Module SQLPS -DisableNameChecking" and get going with SQLPS.
Please, let me know if this is not what you are trying to do or you are running into other issues. If you give me more details, I might be able to help you out.
Thanks,
-Matteo