![Unable to cast COM object of type (No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE))) - Stack Overflow Unable to cast COM object of type (No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE))) - Stack Overflow](https://i.stack.imgur.com/BiG7I.png)
Unable to cast COM object of type (No such interface supported (Exception from HRESULT: 0x80004002 (E_NOINTERFACE))) - Stack Overflow
![More Information on 'Library not registered ... TYPE_E_LIBNOTREGISTERED' errors, relating to Microsoft COM More Information on 'Library not registered ... TYPE_E_LIBNOTREGISTERED' errors, relating to Microsoft COM](https://www.ibm.com/support/pages/system/files/inline-images/image_6053.png)
More Information on 'Library not registered ... TYPE_E_LIBNOTREGISTERED' errors, relating to Microsoft COM "Interop assemblies" (corruption in the Windows registry)
![Error: Error:](https://support.na.sage.com/Platform/Publishing/images/CP_CE/5961bdab-a49a-d201-5455-bbc17959aa01_image_26.4.2018.13.48.34.967.png)
Error: "Unable to cast COM object of type 'CrystalDecisions.ReportAppServer.Controllers.ReportSourceClass' to interface type CrystalDecisions.ReportAppServer.Controllers.!SCRReportSource'
![Unable to cast COM object of type 'Microsoft.Office.Interop.Word.ApplicationClass' - RocketDocs Help Unable to cast COM object of type 'Microsoft.Office.Interop.Word.ApplicationClass' - RocketDocs Help](https://tw-desk-files.teamwork.com/i/482835/attachment-inline/174126.20181226182128997.174126.201812261821289971UYNJ.png)
Unable to cast COM object of type 'Microsoft.Office.Interop.Word.ApplicationClass' - RocketDocs Help
unable to cast com object of type 'system.__comobject' to interface type. Does repair/restore DB helps for this issue?
Unable to cast COM object of type 'System.__ComObject' to interface type 'LFSO80Lib.LFDocument'. - Laserfiche Answers
![Unable to cast COM object of type 'System.__ComObject' to interface type 'EnvDTE.Project' - Stack Overflow Unable to cast COM object of type 'System.__ComObject' to interface type 'EnvDTE.Project' - Stack Overflow](https://i.stack.imgur.com/NlMBB.png)
Unable to cast COM object of type 'System.__ComObject' to interface type 'EnvDTE.Project' - Stack Overflow
![unable to cast COM object of type 'microsoft.Office.Interop.Excel.ApplicationClass' to 'microsoft.Office.Interop.Excel.Application' unable to cast COM object of type 'microsoft.Office.Interop.Excel.ApplicationClass' to 'microsoft.Office.Interop.Excel.Application'](https://i.stack.imgur.com/8Mymj.jpg)
unable to cast COM object of type 'microsoft.Office.Interop.Excel.ApplicationClass' to 'microsoft.Office.Interop.Excel.Application'" - Stack Overflow
VS 2010 [RESOLVED] Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass'-VBForums
![Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' - RocketDocs Help Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' - RocketDocs Help](https://tw-desk-files.teamwork.com/i/482835/attachment-inline/174126.20181226183430051.174126.20181226183430051FmKES.png)
Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' - RocketDocs Help
![已解决】C#程序excel处理出错:Additional information: Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application' – 在路上 已解决】C#程序excel处理出错:Additional information: Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application' – 在路上](https://www.crifan.com/files/pic/uploads/2013/12/Unable-to-cast-COM-object-of-type-Microsoft.Office.Interop.Excel_.ApplicationClass-to-interface-t.png)
已解决】C#程序excel处理出错:Additional information: Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 'Microsoft.Office.Interop.Excel._Application' – 在路上
![Intermittent Intermittent](https://www.ibm.com/support/pages/system/files/support/swg/cogtech.nsf/0/c80e20d95d6557e985257ef90053839b/Symptom/0.84.gif)
Intermittent "Unable to cast COM object of type ... The RPC server is unavailable ... 0x800706BA" error when using Excel functions
![Crystal Reports Unable to Cast COM Object of Type 'ReportSourceClass' to Interface Type 'ISCRReportSource' - Tech Journey Crystal Reports Unable to Cast COM Object of Type 'ReportSourceClass' to Interface Type 'ISCRReportSource' - Tech Journey](https://cdn.techjourney.net/2019/03/crystal-reports-cast-pdf-error.png)
Crystal Reports Unable to Cast COM Object of Type 'ReportSourceClass' to Interface Type 'ISCRReportSource' - Tech Journey
![vb.net & office: Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' - Stack Overflow vb.net & office: Unable to cast COM object of type 'Microsoft.Office.Interop.Excel.ApplicationClass' - Stack Overflow](https://i.stack.imgur.com/6hfyX.png)