You should have further information about the error in the Application and System Event logs.
Start > run > eventvwr + ok
It seems you are having some permissions issues, probably to start the "Solarwinds Orion NPM" COM+ application.
The configuration wizard might have had some difficulties to install the web console.
Check the \Program Files\Solarwinds\Orion\ConfigurationWizard.log file.
You can try to re-run the configuration wizard on the website section, that cannot hurt.
Start > All Programs > Solarwinds Orion > Configuration and Auto-Discovery
> Configuration Wizard
Select Website and follow the steps.
Check the COM+ app as well:
Start > run > dcomcnfg + Ok
Expand Component Services > Computers > My Computer > COM+ Applications
Right-click on Solarwinds Orion NPM and select Start.
If that does not start check why in the App and System Event logs.
com+ seemed to be Ok got no errors starting it.
I tried to run the config wizard for the website. It complained about a 500 error when trying to get login.aspx
Same problem here!!!