FIX: Outlook Crashes Because of Faulty pstprx32.dll Module

Outlook 2013 may have been one of the best versions of the program to have ever been created, but that does not mean that it was flawless. Outlook 2013 had its fair share of quirks and issues, among the most significant of which was an issue where Outlook was crash within seconds of being launched. This issue is most common among Windows 8 users but has been known to affect Outlook 2013 users across the various versions of Windows that the application supports. Users affected by this issue see in their event logs that the crash is caused by a fault module named pstprx.dll.

This problem only occurs if you are using an account with your Outlook application. Many people who have suffered from this issue have been able to temporarily get rid of it by removing their accounts from the program, but that is most certainly not an ideal resolution. Thankfully, soon after this issue came to light, it was discovered that it is caused by problems in the syncing of a user’s calendar data between their account and the Outlook 2013 application – problems such as corrupt calendar data being synced forcefully. If you are suffering from this problem, here’s how you can easily fix it:

Go to in an internet browser of your choosing.

Log into your account.

Click on the square grid button on the top left side of the webpage.

Click on Calendar in the contextual menu to open your Outlook Calendar.

Click on the Settings button (denoted by a gear) on the top right side of the webpage.

Click on Options in the contextual menu to manage your calendars and calendar data.

Under the Edit your calendar settings section, click on a calendar.

On the next page, click on Delete in the toolbar at the top of the webpage.

Click on OK in the Delete Calendar

Note: If you have more than one calendar, you are going to have to repeat steps 7, 8 and 9 for each one of the calendars that you have on your account. Also, if you don’t want to lose the data in any of your calendars, be sure to create backups before you delete them.


The animation is for demonstration only. I’ve used primary calendars in here.

Close the internet browser and restart your computer. Launch the Outlook application once your computer boots up and it should no longer crash and should work flawlessly.

Note: If you are subscribed to any calendars through your account, you are also going to have to unsubscribe to them in order for this solution to work.

Kevin Arrows
Kevin is a dynamic and self-motivated information technology professional, with a Thorough knowledge of all facets pertaining to network infrastructure design, implementation and administration. Superior record of delivering simultaneous large-scale mission critical projects on time and under budget.

Expert Tip

FIX: Outlook Crashes Because of Faulty pstprx32.dll Module

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