The web viewer requires a configuration that is not provided at installation, to be able to receive an uploaded publication. If nothing works, start from the beginning, we can remove any current configuration.
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When all is failing or files have been corrupted
If you suspect that configuration is corrupt, you may remove and regenerate some vital files for the web viewer. to get back to the post-installation situation:
Select the web application app_data folder: C:\inetpub\wwwroot\AssertWeb\App_Data.
Delete the files profile.config and server.config.
Start up the web application to make it create the two files, use fake language and site name
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