hello
screenshot is attached
best regards, jan
9 Answers, 1 is accepted

```
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Awww, Fiddlesticks!
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Fiddler has encountered an unexpected problem. If you believe this is a bug in Fiddler, please copy this message by hitting CTRL+C, and submit a bug report at http://www.telerik.com/forums/fiddler.
The composition produced a single composition error. The root cause is provided below. Review the CompositionException.Errors property for more detailed information.
1) Unknown error (0x278)
Resulting in: An exception occurred while trying to create an instance of type 'Telerik.NetworkConnections.NetworkConnectionsManager'.
Resulting in: Cannot activate part 'Telerik.NetworkConnections.NetworkConnectionsManager'.
Element: Telerik.NetworkConnections.NetworkConnectionsManager --> Telerik.NetworkConnections.NetworkConnectionsManager --> AssemblyCatalog (Assembly="Telerik.NetworkConnections, Version=0.1.2.0, Culture=neutral, PublicKeyToken=67cb91587178ac5a")
Resulting in: Cannot get export 'Telerik.NetworkConnections.NetworkConnectionsManager (ContractName="Telerik.NetworkConnections.NetworkConnectionsManager")' from part 'Telerik.NetworkConnections.NetworkConnectionsManager'.
Element: Telerik.NetworkConnections.NetworkConnectionsManager (ContractName="Telerik.NetworkConnections.NetworkConnectionsManager") --> Telerik.NetworkConnections.NetworkConnectionsManager --> AssemblyCatalog (Assembly="Telerik.NetworkConnections, Version=0.1.2.0, Culture=neutral, PublicKeyToken=67cb91587178ac5a")
Type: System.ComponentModel.Composition.CompositionException
Source: System.ComponentModel.Composition
at System.ComponentModel.Composition.Hosting.CompositionServices.GetExportedValueFromComposedPart(ImportEngine engine, ComposablePart part, ExportDefinition definition)
at System.ComponentModel.Composition.Hosting.CatalogExportProvider.GetExportedValue(ComposablePart part, ExportDefinition export, Boolean isSharedPart)
at System.ComponentModel.Composition.Hosting.CatalogExportProvider.CatalogExport.GetExportedValueCore()
at System.ComponentModel.Composition.Primitives.Export.get_Value()
at System.ComponentModel.Composition.ExportServices.GetExportedValueFromLazy[T](Export export)
at System.ComponentModel.Composition.Hosting.ExportProvider.GetExportedValueCore[T](String contractName, ImportCardinality cardinality)
at Fiddler.Proxy.() in C:\Jenkins\Fiddler_Windows\workspace\Fiddler2\Common\Core\Proxy.cs:line 250
at Fiddler.Proxy..ctor(Boolean isPrimary, ProxySettings upstreamProxySettings) in C:\Jenkins\Fiddler_Windows\workspace\Fiddler2\Common\Core\Proxy.cs:line 203
at Fiddler.frmViewer.(String[] ) in C:\Jenkins\Fiddler_Windows\workspace\Fiddler2\Viewer.cs:line 2940
at Fiddler.frmViewer.(String[] ) in C:\Jenkins\Fiddler_Windows\workspace\Fiddler2\Viewer.cs:line 2757
Fiddler v5.0.20194.41348 (x86 x86) [.NET 4.0.30319.1026 on Microsoft Windows NT 5.2.3790 Service Pack 2]
---------------------------
OK
---------------------------
```

does it support windows server 2003 32 bit sp2? You write XP on your website.
If not, is there an older version?
thank you for your feedback,
jan

So no older versions available?
-> https://www.telerik.com/forums/older-version
Regards, Jan
Hi Jan,
Similar issues have been reported in the Bug Report thread. Our initial investigation yielded the cause likely to be from assemblies that are downloaded through NuGet. I recommend reviewing Boby's thread and trying the workarounds. Additionally, I ask that additional replies be made there. This way we can ensure all communication is in the same place.
Please let me know if you have any additional information. Thank you for using the Fiddler Forums.
Regards,
Eric R | Technical Support Engineer
Progress Telerik

OK thx.
Can i download an older version somewhere??
Hi Jan,
At this time, we deliver the latest build via https://www.telerik.com/download/fiddler. However, a member of the community has provided a link to previous versions at the Bug Report thread.
Please let me know if you have any additional questions. Thank you.
Regards,
Eric R | Technical Support Engineer
Progress Telerik

Thank you for your feedback.
Regards, Jan
Hi Jan,
That is correct. Per the referenced thread, we are awaiting feedback from users with the workarounds to continue testing.
Lastly, I would like to note that we'll need to close this thread and ask to post any new feedback or comments in the Bug Report thread so that we can keep communication organized. Thank you.
Regards,
Eric R | Technical Support Engineer
Progress Telerik
