Question : How do I fix at startup this error message

Change TPMAaut.exe - Unable to Locate Component
This application has failed to start because Tsp1.dll was not found. Re-installing the application may fix this problem.

Answer : How do I fix at startup this error message

You have to repair or replace. Please follow following links for reference. There are many tools to fix this error.

http://www.dllnotfound.net/tsp1.dll.html
http://www.articlesbase.com/data-recovery-articles/tsp1-dll-not-found-error-repair-it-now--1650498.html
http://dllrepairs.com/library/tsp1.dll/

Regards
RS