Answer from Microsoft
n addition to Bindu's reply, you may check with the software vendor for the Penpower Jr program to verify that the program is Windows Vista compatible. If so, you may verify that the Pen Power program is uninstalled from Control Panel>Programs>Programs and Features and then try reinstalling the program to check if the issue persists. You may also try installing the program using another User Account.
Regarding the additional error, please relay if any additional programs have been recently installed. You may also run an Antivirus\malware scan using an Antivirus program.
Also, below is link for a Microsoft Security Essentials , a free anti-malware solution for your computer that helps protect against viruses, spyware, and other malicious software:
Help protect your PC with Microsoft Security Essentials
Thank you,