SQL 2005 SSIS FAIL TO SAVE PACKAGE file error 0x80040155 "interface not registered"

When I create new project in SSIS, it fail and give this message :

"FAIL TO SAVE PACKAGE file error 0x80040155 "interface not registered"

Google and get this answer:

regsvr32 msxml6.dll
regsvr32 msxml3.dll

I run the above in the command prompt and It succesful create Project in SSIS with no error.