The file p2isal.dll is a format file for MyCalendar from America Online. MyCalendar is a scheduling and time management application that is integrated into America Online. This file is part of the formatting for the application.
If you get an error with the p2isal dynamic link library file, you may not be able to use MyCalendar, or the display of the program may be messed up. You can try to fix this issue by cleaning the registry of your system.
At the heart of Windows is a database called the registry that acts as an information booth for your operating system. The registry tracks every file and program installed on your computer. If an entry for a file has a mistake in it, any program that needs that file will not work.
ZookaWare PC Cleaner cleans up your registry mistakes. ZookaWare PC Cleaner scans through the thousands of registry entries looking for errors and fixing them. Rather than reinstalling America Online when you get this issue, first try cleaning your registry with ZookaWare PC Cleaner.