Error on Web Console - Unexpected Website Error (C:\Windows\Microsoft.NET\Framework\...)

Issue:
On opening the Web Console the following errors are displayed.
Unexpected Website Error
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET\root\6faafa1c\92094bad
\App_Web-orionmasterpage.master.b6031896.lqrhb0id.0.cs(305): error CS0433: the type 'Orion-Contriols_PageHeader' exists in both
'C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET\root\6faafa1c\92094bad\App_Web_otu5ty5l.dll' and
'C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET\root\6faafa1c\92094bad\App_Web_dz0dqaye.dll'

Cause Presence of .Net temp files (C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET\) causes the error.

NOTE: How to Start/Stop Orion Services.
 
Solution 1:
1. Login as local administrator
2. Stop all Orion Services using Orion Service Manager.
3. Delete Orion Web Site in IIS
4. Stop IIS (World Wide Web Publishing Service). How to Start/Stop IIS Services.
5. Delete all folders under C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET\
6. Rename Orion Web Site from C:\Inetpub\SolarWinds to C:\Inetpub\SolarWinds_old
7. Start IIS.
8. Re-run the Web part of the Configuration Wizard and check Website.
9. Start all Orion Services using Orion Service Manager. 
10. Orion website is re-created which solves the issue.


Solution 2:
1. Login as local administrator
2. Stop all Orion Services using Orion Service Manager.
3. Stop IIS (World Wide Web Publishing Service). How to Start/Stop IIS Services.
4. Delete all folders under C:\Windows\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET\
5. Start IIS.
6. Re-run the Web part of the Configuration Wizard and check Website.
7. Start all Orion Services using Orion Service Manager. 
8. Orion website is re-created which solves the issue.