Powerpoint Import failure

I try many different ways that I found from this forum , but it never able to import, please refer to the below error report . Thank you

<?xml version="1.0" encoding="utf-16"?>
<ErrorReport xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<UserId>aid|a8eea07d-64ef-4fa7-9189-fdeaaaa96b9e</UserId>
<HardwareId>YCE3F-WH1AU-U9VT1-PR9RR-F7Q3P</HardwareId>
<Message>Illegal characters in path.</Message>
<StackTrace> at void System.Security.Permissions.FileIOPermission.EmulateFileIOPermissionChecks(string fullPath)
at void System.Security.Permissions.FileIOPermission.QuickDemand(FileIOPermissionAccess access, string fullPath, bool checkForDuplicates, bool needFullPath)
at string System.IO.Path.GetFullPath(string path)
at string System.Drawing.IntSecurity.UnsafeGetFullPath(string fileName)
at void System.Drawing.IntSecurity.DemandReadFileIO(string fileName)
at Image System.Drawing.Image.FromFile(string filename, bool useEmbeddedColorManagement)
at IImportViewData Articulate.Storyline.Import.PowerPoint.PowerPointImporter.CreateProjectInfo(ExportResult result, PowerPointExportInformation exportInfo)
at IImportViewData Articulate.Storyline.Import.PowerPoint.PowerPointImporter.FetchSlideSelectionInfo(string filename, IProgress progress)
at void Articulate.Storyline.Forms.InsertSlide.TabDialog.Tabs.ImportTab.ShowSlideSelectionUI(string filePath, ImportFileType importFileType, object userData)+(IProgress progress) =&gt; { }</StackTrace>
</ErrorReport>