[FileNotFoundException: D:\home\site\wwwroot\~\temp\imager.20171121t1345312083.jpg.aspx] System.Drawing.Image.FromFile(String filename, Boolean useEmbeddedColorManagement) +632138 Sitecore.Shell.Applications.Media.Imager.ImagerResizeForm.OnLoad(EventArgs e) +142 [TargetInvocationException: Exception has been thrown by the target of an invocation.] System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) +0 System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) +128 System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +146 Sitecore.Reflection.ReflectionUtil.InvokeMethod(MethodInfo method, Object[] parameters, Object obj) +89 Sitecore.Web.UI.Sheer.ClientPage.OnLoad(EventArgs e) +591 System.Web.UI.Control.LoadRecursive() +68 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3811
This issue occurs due to incorrect configuration in the \App_Config\Sitecore.config file. The Image Editor attempts to access an item in an invalid \tempFolder instead of \temp.
To resolve the issue, download and copy the Sitecore.Support.134934.config file to the \App_config\Include\zzz folder.