Power Automate will not launch excel

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Posted on by r-swan

Hi,

Whenever i try to launch Excel in PAD i get this error "Failed to open Excel document '(Excel launching error.)' ."

I get the same issue with Outlook. I have attempted to search for a solution and i so far have uninstalled both office 365 apps and PAD and done a fresh install, everything is up to date. The only thing i have not done is re-install of Windows 10 Pro, something i am desperate not to do. Any help is greatly appreciated.

Error Details:

Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 800700c1 is not a valid Win32 application. (Exception from HRESULT: 0x800700C1).: Microsoft.Flow.RPA.Desktop.Robin.SDK.ActionException: Failed to open Excel document '(Excel launching error.)' . ---> System.BadImageFormatException: Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 800700c1 is not a valid Win32 application. (Exception from HRESULT: 0x800700C1).
at System.Runtime.Remoting.RemotingServices.AllocateUninitializedObject(RuntimeType objectType)
at System.Runtime.Remoting.Activation.ActivationServices.CreateInstance(RuntimeType serverType)
at System.Runtime.Remoting.Activation.ActivationServices.IsCurrentContextOK(RuntimeType serverType, Object[] props, Boolean bNewObj)
at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)
at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark)
at System.Activator.CreateInstance(Type type, Boolean nonPublic)
at System.Activator.CreateInstance(Type type)
at Microsoft.Flow.RPA.Desktop.Modules.Excel.Actions.ExcelActions.LaunchExcel(Variant documentPath, Variant varPassword, Variant& excelInstance, Int32 launchMode, Boolean visible, Boolean loadAddInsAndMacros, Boolean needsAuthentication, Boolean readOnly)
--- End of inner exception stack trace ---
at Microsoft.Flow.RPA.Desktop.Modules.Excel.Actions.LaunchExcel.Execute(ActionContext context)
at Microsoft.Flow.RPA.Desktop.Robin.Engine.ActionRunner.RunAction(String action, Dictionary`2 inputArguments, Dictionary`2 outputArguments, IActionStatement statement)

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Community Power Pla... Microsoft Employee on at

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Hello @r-swan

You should refer the document below and Stack Overflow thread which was linked.
Excel launch error - 800700c1 is not a valid Win32 application | Microsoft Docs

The solution is presented on the following StackOverflow question:
https://stackoverflow.com/questions/50970449/error-800700c1-in-instantiating-an-object-for-microsoft-office-interop-excel-a
Deleting the file "C:\Program" fixes the issue.

Good luck.

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r-swan 5 on at

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Thank you kindly, Following the instructions in the thread has solved my issue.

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bassemwolsely 2 on at

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Microsoft.Flow.RPA.Desktop.Modules.SDK.ActionException: Failed to open Excel document '"D:\Google Drive\ElRezeiky Pharmacies\Work\Sales Analysis\Sales Analysis.xlsm"' (File related error). ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Runtime.InteropServices.COMException: Sorry, we couldn't find "D:\Google Drive\ElRezeiky Pharmacies\Work\Sales Analysis\Sales Analysis.xlsm". Is it possible it was moved, renamed or deleted?
--- End of inner exception stack trace ---
at System.RuntimeType.InvokeDispMethod(String name, BindingFlags invokeAttr, Object target, Object[] args, Boolean[] byrefModifiers, Int32 culture, String[] namedParameters)
at System.RuntimeType.InvokeMember(String name, BindingFlags bindingFlags, Binder binder, Object target, Object[] providedArgs, ParameterModifier[] modifiers, CultureInfo culture, String[] namedParams)
at System.Type.InvokeMember(String name, BindingFlags invokeAttr, Binder binder, Object target, Object[] args, CultureInfo culture)
at Microsoft.Flow.RPA.Desktop.Modules.Excel.Actions.ExcelActions.InvokeMethod(Object o, String methodName, Object[] methodArgs)
at Microsoft.Flow.RPA.Desktop.Modules.Excel.Actions.ExcelActions.<>c__DisplayClass9_0.<LaunchExcel>g__SetActiveWorkbook|1()
at Microsoft.Flow.RPA.Desktop.Modules.Excel.Actions.ExcelActions.LaunchExcel(Variant documentPath, Variant varPassword, Variant& excelInstance, Int32 launchMode, Boolean visible, Boolean loadAddInsAndMacros, Boolean needsAuthentication, Boolean readOnly, Boolean launchInNewInstance)
--- End of inner exception stack trace ---
at Microsoft.Flow.RPA.Desktop.Modules.Excel.Actions.LaunchExcel.Execute(ActionContext context)
at Microsoft.Flow.RPA.Desktop.Robin.Engine.Execution.ActionRunner.Run(IActionStatement statement, Dictionary`2 inputArguments, Dictionary`2 outputArguments)

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msarchitect 2 on at

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For anyone still struggling with this issue, I resolved my problem by carefully reading the Error message. Notice in the error it says:
Failed to open Excel document '"D:\Google Drive\ElRezeiky Pharmacies\Work\Sales Analysis\Sales Analysis.xlsm"'

If you look at the filename/path string, the double quotes are wrapped with single quotes. It looks like the string you pasted into the Document path field has double quotes (and indeed, that was my issue). If you remove double quotes, you should be good to go.

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