Okay, so my DNN 4.7.0 sit has been up and running now for 4 months without any issues. Today I login to check on something and I get an error message when I click on "Host > Settings"

An error has occurred.
DotNetNuke.Services.Exceptions.PageLoadException: Could not find file 'C:\WINDOWS\TEMP\0bobgqff.dll'. ---> System.IO.FileNotFoundException: Could not find file 'C:\WINDOWS\TEMP\0bobgqff.dll'. File name: 'C:\WINDOWS\TEMP\0bobgqff.dll' at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy) at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share) at Microsoft.CSharp.CSharpCodeGenerator.FromFileBatch(CompilerParameters options, String[] fileNames) at Microsoft.CSharp.CSharpCodeGenerator.FromSourceBatch(CompilerParameters options, String[] sources) at Microsoft.CSharp.CSharpCodeGenerator.System.CodeDom.Compiler.ICodeCompiler.CompileAssemblyFromSourceBatch(CompilerParameters options, String[] sources) at System.CodeDom.Compiler.CodeDomProvider.CompileAssemblyFromSource(CompilerParameters options, String[] sources) at System.Xml.Serialization.Compiler.Compile(Assembly parent, String ns, XmlSerializerCompilerParameters xmlParameters, Evidence evidence) at System.Xml.Serialization.TempAssembly.GenerateAssembly(XmlMapping[] xmlMappings, Type[] types, String defaultNamespace, Evidence evidence, XmlSerializerCompilerParameters parameters, Assembly assembly, Hashtable assemblies) at System.Xml.Serialization.TempAssembly..ctor(XmlMapping[] xmlMappings, Type[] types, String defaultNamespace, String location, Evidence evidence) at System.Xml.Serialization.XmlSerializer.GenerateTempAssembly(XmlMapping xmlMapping, Type type, String defaultNamespace) at System.Xml.Serialization.XmlSerializer..ctor(Type type, String defaultNamespace) at System.Xml.Serialization.XmlSerializer..ctor(Type type) at DotNetNuke.Common.Utilities.XmlUtils.Serialize(Object obj) at DotNetNuke.Modules.Admin.Host.FriendlyUrls.Savev13wstat3() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Control.Savev13wstat3Recursive() at System.Web.UI.Page.SaveAllState() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace ---

What is going on? I figured maybe this would fix itself if I went in and restarted the application, but each time I click on "Host > Settings" I get the same error message. If I keep trying I can get to the actual Settings page but when I click "Restart Application" it never completes, and I get the DNN error.

Any help/suggestions would be great.

Hey Mitchel.... no, no changes to the site other then content changes. Now that I think about it I did install the AliCommerce Shopping cart module. I just went in and tried to uninstall the module, and now I lost the site.

This can't be good......

Michael,

Please follow uninstall instructions in quick start guide. As it it, DNN core has API support to update web.config on install, but no API support when you uninstall it. That's why you have to remove the added entries manually. Until DNN 5 is released, we have to live with the situation.

Thanks,