Retrieving the COM class factory for component with CLSID {BDEADF26-C265-11D0-BCED-00A0C90AB50F} failed due to the following error: 800703fa

This is a SharePoint 2010 BETA edition exception. Most of the people who are working with SP2010 should get this exception. Below are the exception details:

Retrieving the COM class factory for component with CLSID {BDEADF26-C265-11D0-BCED-00A0C90AB50F} failed due to the following error: 800703fa.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Runtime.InteropServices.COMException: Retrieving the COM class factory for component with CLSID {BDEADF26-C265-11D0-BCED-00A0C90AB50F} failed due to the following error: 800703fa.

Workaround:

1. Doing an IISRESET solving the problem but it is solving temporarily.
2. Open IIS and go to your SharePoint site. And find the application pool.
3. Go to application pool, click Advanced settings, change the value for "Load User Profile" to "true".

That's it!!! You are done.
Special thanks to Bassem Georgi for the nice tip.