Interface not registered (Exception from HRESULT: 0x80040155)

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1.Error 0x80040155 interface not registered

I installed Microsoft office professional 2003 Academic Edition and have 
Office outlook as a default email program.
I was using it without any problems, but suddenly when I try to use outlook 
to send email I
a) Can not send email directly from word or excel
b) If I try to copy and paste a word document into a new message, or attach 
it, I receive an error stating ord unspecified erroror nterface not 
registered error 0x80040155
and finally, I cannot send the email.
I have tried finding info in this error in Microsoft office help with o 
success
I tried to repair the office installation with the original CD. I still have 
the same problem
At this point I do not know what to do. But I cannot use outlook to send 
emails
Is it there a Good Samaritan that could help me, please?
Thank you

2.Library not registered. (Exception from HRESULT: 0x8002801D (TYPE_

My current code ran in VS2003 on a XPpro machine. I transferred it to a Vista 
machine and had to purchase VS2005 . I made the changes and the code ran. I 
made additions over several weks and the code still ran . I did not run the 
code a gain for about a month and then the code would not run on the Vista 
machine so I installed VS2005 on an XPpro PC and the same then code compiiles 
and runs fine. 
 

Both PCs have Ofiice 2003 Pro on them and no other versions of Excel or 
office.

 

It as if one of  the MS regular Vista updates made a change causing the code 
not to compile.

 

My code is in Visaul Basic

 

These are the first lines of the code

 

Imports System.IO

Imports System.IO.StreamReader

Imports System

Imports System.Threading

Imports System.text.regularexpressions

Imports System.Text

Imports System.Globalization

Imports System.Collections

Imports Microsoft.Office.interop.excel

Imports Excel = Microsoft.Office.Interop.Excel

Imports System.Reflection

Imports System.Runtime.InteropServices

 

The lines following this are Windows Form Designer Generated code (about 
2000 of them ) Total program is about 9000 lines

 

Dim ExcelScheduler As New Excel.Application

Dim ExcelWB As Excel.Workbook = 
ExcelScheduler.Workbooks.Open("C:\ExactaRecords\Scheduler.xls")

Dim ScheduleSheet1 As Excel.Worksheet = ExcelWB.Sheets(1)

Dim ScheduleSheet2 As Excel.Worksheet = ExcelWB.Sheets(2)

Dim ScheduleSheet3 As Excel.Worksheet = ExcelWB.Sheets(3)

 

ScheduleSheet1 = ExcelWB.Worksheets(1)

ScheduleSheet2 = ExcelWB.Worksheets(2)

ScheduleSheet3 = ExcelWB.Worksheets(3)

 

This is the error message:

 

System.InvalidCastException occurred
  Message="Unable to cast COM object of type 
'Microsoft.Office.Interop.Excel.ApplicationClass' to interface type 
'Microsoft.Office.Interop.Excel._Application'. This operation failed because 
the QueryInterface call on the COM component for the interface with IID 
'{000208D5-0000-0000-C000-000000000046}' failed due to the following error: 
Library not registered. (Exception from HRESULT: 0x8002801D 
(TYPE_E_LIBNOTREGISTERED))."
  Source="Microsoft.Office.Interop.Excel"
  StackTrace:
       at Microsoft.Office.Interop.Excel.ApplicationClass.get_Workbooks()
       at ShowTimeScheduler.ShowTimeDirector..ctor() in 
C:\ShowTimeScheduler\Backup\ShowTimeDirector.vb:line 2222


Error occurs at the line :

 

Dim ExcelWB As Excel.Workbook = 
ExcelScheduler.Workbooks.Open("C:\ExactaRecords\Scheduler.xls")

 

 

Does any one have any ideas how to fix this problem?

Thanks

3.Error code 0x80040155 Interface Not Registered"

At one time, inserting clip art worked fine.  Now, get
"Interface not registered; Error Code 0x80040155" every
time try to load clip art.

Have uninstalled &  reinstalled Office.  Have used "Detect
and Repair" from Help Pull-Down Menu.

Help!  Please.

4.Error MS Clip Organizer #0x80040155 Interface not registered

I have a computer with windows xp and the clipart organizer show

Error MS Clip Organizer #0x80040155 Interface not registered

when i try to insert an image.

Jorge. 

5.Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))

Hi,

I am working with a conversion application from VB 6.0 to VB.NET 2005.
I used Visual Studio 2005 for conversion of this VB 6.0 code. It's
sussfully converted And Working fine in some devlopment systems.  But
in few systems (like, my development PC) an AxComCtlLib.dll is missing
in Reference of .net Solutions automatically. I try to add
AxComCtlLib.dll from bin to Reference of .net Solutions. Now project
is Sucessfully compiling in my Development PC also and When I try to
run the application I am getting below error in the
InitializeComponent().

Class not registered (Exception from HRESULT: 0x80040154
(REGDB_E_CLASSNOTREG))

Can anybody suggest me with the solution for this. Its very urgent for
me. Please try to help me asap.
Thanks in advance.
Sreenivasulu.k

6. Exception from HRESULT: 0x800A03EC - COM Exception Unhandled

7. Interface not registered error when sending email in Excel

8. appAccess.currentdb() -- Interface not registered