Event Viewer ASP.Net

Log Name: Application
Source: ASP.NET 4.0.30319.0
Date: 11/23/2013 8:31:36 AM
Event ID: 1020
Task Category: Setup
Level: Warning
Keywords: Classic
User: N/A
Computer: Patrick-PC
Description:
Updates to the IIS metabase were aborted because IIS is either not installed or is disabled on this machine. To configure ASP.NET to run in IIS, please install or enable IIS and re-register ASP.NET using aspnet_regiis.exe /i.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="ASP.NET 4.0.30319.0" />
<EventID Qualifiers="32768">1020</EventID>
<Level>3</Level>
<Task>1</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2013-11-23T13:31:36.000000000Z" />
<EventRecordID>16539</EventRecordID>
<Channel>Application</Channel>
<Computer>Patrick-PC</Computer>
<Security />
</System>
<EventData>
</EventData>
</Event>


what can I do to solve this?

anyone?