Suspicious Activity Framework 4

The past couple days I have Avast say suspicious activity. A scan finds nothing.

It points to a windows\temp folder. I have posted a log file of the framework doing things.

Anybody know what this is about?

Paste=

C:\WINDOWS\system32> “C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe” /t:library /utf8output /R:“System.dll” /R:“System.Data.dll” /R:“System.Management.dll” /R:“System.ServiceProcess.dll” /R:“System.Xml.dll” /out:“C:\WINDOWS\TEMP\pfee1slo.dll” /debug- /optimize+ /t:library /d:TRACE “C:\WINDOWS\TEMP\pfee1slo.0.cs”

Microsoft (R) Visual C# Compiler version 4.6.1038.0

for C# 5
Copyright (C) Microsoft Corporation. All rights reserved.

This compiler is provided as part of the Microsoft (R) .NET Framework, but only supports language versions up to C# 5, which is no longer the latest version. For compilers that support newer versions of the C# programming language, see http://go.microsoft.com/fwlink/?LinkID=533240

c:\Windows\Temp\pfee1slo.0.cs(1593,87): warning CS0618: ‘System.Threading.WaitHandle.Handle’ is obsolete: ‘Use the SafeWaitHandle property instead.’