Please help, I have DNN on Godaddy, and when I upload large files i recieve this error:

I think it's some time out, but I have slow connection and I cant upload faster, what I need to change for longer time? I recieve this message after 1 minut of uploading.

AssemblyVersion: -1
PortalID: -1
PortalName:
UserID: -1
UserName:
ActiveTabID: -1
ActiveTabName:
RawURL:
AbsoluteURL:
AbsoluteURLReferrer:
UserAgent:
DefaultDataProvider:
ExceptionGUID:
InnerException: Unhandled Error:
FileName:
FileLineNumber: -1
FileColumnNumber: -1
Method:
StackTrace:
Message: System.Exception: Unhandled Error: ---> System.Web.HttpException: Request timed out. --- End of inner exception stack trace ---

Check these entries in your web.config:

<httpRuntime useFullyQualifiedRedirectUrl="true" executionTimeout="18000" maxRequestLength="81920" requestLengthDiskThreshold="8192" />