Programmer Adda

Retrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).

1. Open Run
2. Enter DCOMCNFG
3. Append Component Service
4. Then Computers
5. Then My Computers
6. Then DCOM Config
7. Then From the DCOM Config List right click on “Microsoft Excel Application”
8. Go to Security Tab
9. Clink on Customize Property from “Launch and Activation Permission”
10. 
11. Then add “IIS_IUSR” and Allow “Local Launch” and “Local Activation”.
12. 
13. Repeat same procedure of Access permission.