Created Unassigned: Crash when importing Adobe Flash plugin updates [273]

WSUS Package Publisher crashes when I import an update from AdobeFlashPlayer shared catalog.
Crash message is: __The path is not of a legal form.__

Catalog is stored here: D:\WSUS\Wsus Package Publisher\Subscribed Catalogs\AdobeFlashPlayerCatalog_SCUP.cab

Here is the relevant log part:
```
10/07/2015 08:51:26 Entering Void trvWsus_NodeMouseClick(System.Object, System.Windows.Forms.TreeNodeMouseClickEventArgs)
10/07/2015 08:51:31 Entering Void btnImportUpdates_Click(System.Object, System.EventArgs)
10/07/2015 08:51:31 Entering Void .ctor(System.String)
10/07/2015 08:51:31 Entering Void PresetVisibleInWsusConsoleChkBx()
10/07/2015 08:51:31 Wsus Is Local : True
10/07/2015 08:51:31 chkBxVisibleInWsusConsoleis False
10/07/2015 08:51:33 Entering Void .ctor(System.String) : CatalogHelper : D:\WSUS\Wsus Package Publisher\Subscribed Catalogs\AdobeFlashPlayerCatalog_SCUP.cab
10/07/2015 08:51:33 Entering Void OpenCatalog()
10/07/2015 08:51:33 Entering System.String GetTempFolder()
10/07/2015 08:51:33 Will return : C:\Users\Administrator\AppData\Local\Temp\2\WPP\d3a8c16c-7e09-498a-943e-811b6e8ba489
10/07/2015 08:51:33 Cab File.
10/07/2015 08:51:33 Entering Boolean ExtractCabToFolder(System.String, System.String) : D:\WSUS\Wsus Package Publisher\Subscribed Catalogs\AdobeFlashPlayerCatalog_SCUP.cab To C:\Users\Administrator\AppData\Local\Temp\2\WPP\d3a8c16c-7e09-498a-943e-811b6e8ba489
10/07/2015 08:51:33 Successfuly extract CAB file.
10/07/2015 08:51:33 Entering System.Collections.Generic.List`1[Microsoft.UpdateServices.Administration.SoftwareDistributionPackage] ParseXMLFile(System.String) : C:\Users\Administrator\AppData\Local\Temp\2\WPP\d3a8c16c-7e09-498a-943e-811b6e8ba489\AdobeFlashPlayerCatalog_SCUP.xml
10/07/2015 08:51:33 Will return 8 SDP.
10/07/2015 08:51:33 Entering Void ParseSDP(System.Collections.Generic.List`1[Microsoft.UpdateServices.Administration.SoftwareDistributionPackage]) : 8
10/07/2015 08:51:33 Entering Void DeleteDestinationFolder()
10/07/2015 08:51:33 Entering Void trvCatalog_AfterSelect(System.Object, System.Windows.Forms.TreeViewEventArgs)
10/07/2015 08:51:33 Root : Root
10/07/2015 08:51:40 Entering Void btnImport_Click(System.Object, System.EventArgs)
10/07/2015 08:51:40 Entering Void btnImport_Click(System.Object, System.EventArgs)
10/07/2015 08:51:40 Entering Void .ctor(System.Collections.Generic.List`1[Wsus_Package_Publisher.CatalogUpdate], Boolean, System.String)
10/07/2015 08:51:40 Entering System.String GetTempFolder()
10/07/2015 08:51:40 Will return : C:\Users\Administrator\AppData\Local\Temp\2\WPP\sklob3hm.ils\
10/07/2015 08:51:40 Entering Void DownloadFile(System.Uri, System.String) : https://fpdownload.macromedia.com/pub/flashplayer/current/licensing/win/install_flash_player_18_active_x.msi => C:\Users\Administrator\AppData\Local\Temp\2\WPP\sklob3hm.ils\install_flash_player_18_active_x.msi
10/07/2015 08:51:40 Entering System.Net.IWebProxy GetHTTPProxy()
10/07/2015 08:51:40 NoProxy
10/07/2015 08:51:41 Entering Void DownloadFileCompleted(System.Object, System.ComponentModel.AsyncCompletedEventArgs) : Adobe Flash Player 32-bit/64-bit ActiveX 18.0.0.203
10/07/2015 08:51:41 Will try to publish : Adobe Flash Player 32-bit/64-bit ActiveX 18.0.0.203
10/07/2015 08:51:41 The update doesn't already exists. Continue publication...
10/07/2015 08:51:41 Entering Microsoft.UpdateServices.Administration.IUpdate PublishUpdate(Microsoft.UpdateServices.Administration.SoftwareDistributionPackage, System.String) : Adobe Flash Player 32-bit/64-bit ActiveX 18.0.0.203 : C:\Users\Administrator\AppData\Local\Temp\2\WPP\sklob3hm.ils
10/07/2015 08:51:41 Entering Void CheckMaxFileSize(System.String) : C:\Users\Administrator\AppData\Local\Temp\2\WPP\sklob3hm.ils
10/07/2015 08:51:41 Entering System.String GetBiggestFile(System.String, Int64) : C:\Users\Administrator\AppData\Local\Temp\2\WPP\sklob3hm.ils : 0
10/07/2015 08:51:41 Will return :
10/07/2015 08:51:41 Entering Void CheckMaxFileSize(System.String)
10/07/2015 08:51:41 Current MaxCabFile Size is : 384
10/07/2015 08:51:41 UnhandledException. Something Went Wrong
10/07/2015 08:51:41 **** The path is not of a legal form.
10/07/2015 08:51:41 Entering Void .ctor() : FrmSendDebugInfo
10/07/2015 08:51:43 Entering Void lnkLblShowInformations_LinkClicked(System.Object, System.Windows.Forms.LinkLabelLinkClickedEventArgs)
```

It used to work till last week.
Has anyone an idea of what's wrong?