The information in this article applies to:

• SONAR 4
• SONAR 3
• SONAR 2
• SONAR 1
• SONAR Home Studio Version 4

If you receive a message that SONAR has caused an Invalid Page Fault, you should also see a reference to module.

In some versions of windows, you may need to hit the 'details' button to see this. Please write down the name
of the file referenced by the page fault. Often the problem is corrupted hardware driver or Microsoft core file which can be easily fixed.