You have successfully installed Power Center Client tools and Power Exchange Navigator, but still receive below error. You get it when you choose Import from Power Exchange source in the Mapping Designer.
Try to fully restart your computer. It helped me.
Error occurred loading library [dtIscIi32.dII]. System error encountered is 126. Error text is The specified module could not be found.
Before migrating Informatica client tools to Informatica 10, I had to uninstall version 9. On starting the uninstaller, I got immediately this error in Windows 7: “Windows error 2 occurred while loading the Java VM”.
Windows error 2 occurred while loading the Java VM
To run uninstaller, run this command from command line with Administrator privileges