ASP.NET Compilation Error – “[No relevant source lines]”

If you’re beating your head against the wall trying to figure out why you can’t run your ASP.NET web applications then you’ve come to the right place. This happen to my computer after removing a cycbot trojan. Here’s what you have to do to get it working again:

 

1.       Open Windows Explorer and browse to [root]:/Windows/Temp

2.       Right click the Temp folder then click Properties from the popup menu

3.       Select the Security tab

4.       Click Edit then Add

5.       Find and select IIS_IURS

6.       Click OK then select Full control then OK again

 

That’s it, test your ASP.NET app and it should compile and run error free.

 

-Nuno

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