Error 1722 in solidworks how can it be solved?

I message:there is aproblem in windows installer package a program run as a part of the setup did not finish as expected contact support personnel or package vendor action register_i386_compdocsAxOcx:location c:\windows\....compdocsAx.ocx''.
please can some one help me to find a solution I visited alot of sites withou benefit
pleas