errors in ssis package execution

i have sql server 2005 standard edition(9.0.3054) with sp2, My ssis packages
were initially working fine,After installing sql server 2008 ctp, all ssis
packages stopped executing and giving error "Could not create DTS.Application
because of error 0x80040154", also import export wizard in sql 2005 is not
working.
After that i uninstalled sql server 2008 ctp and integration
service of sql 2005, and again installed integrtaion service of sql 2005 but
still i am getting error in ssis package execution.Please suggest me a
solution asap , as it is on a production server.
Thanks
Rupesh Mondal.
I had already removed and reinstalled "ssis" but it didnt worked ok,and i
already had sp2 installed on my database server.
Thanks and Regards,
Rupesh Mondal.
"John Bell" wrote:

> "Rupesh Mondal" <RupeshMondal@.discussions.microsoft.com> wrote in message
> news:CF99A5D6-B6C6-4484-9BD2-B6237A1A3D05@.microsoft.com...
> Hi Rupesh
> Error Code 0x80040154 relates to class not registered, therefore it looks
> like a SSIS component has been corrupted. The easiest solution may be to
> remove and re-install SSIS or SQL Server. If you are not on SP2 then you may
> just get away with installing that.
> John
>
>