To keep up with new viruses as they're created, antivirus software vendors periodically provide updates that you can download from the Internet. Download the latest updates by visiting your antivirus software vendor's website. We recommend setting Windows Update to automatically download and install recommended updates. Bug fixes, new features, and performance enhancements are released regularly. Not something you want to take on lightly, but sometimes you have to.

Third-party add-ins are helpful… until they’re not. Outdated or conflicting ones can mess with Outlook’s core performance, causing unexpected slowdowns or outright failure to launch. Create your account and connect with a world of communities.

The error 0x a usually occurs due to operation timeout when Outlook tries to connect to the mail server to perform send or receive operation. To resolve this error, check the internet connection and run the outlook keeps crashing fix SFC (System File Checker) scan on your system. For complete information on this error and its solutions, follow our guide on How to resolve the error "0x800CCC13" Outlook cannot connect to Server. This issue may occur due to problems with Outlook indexing, problematic add-ins, or issues with the Windows search service.

Repair an Outlook data file (.pst) fileExit Outlook and browse to one of the following file locations: ...Open SCANPST.EXE.Select Browse to select the Outlook Data File (.pst) you want to scan. ...Choose Start to begin the scan.If the scan finds errors, choose Repair to start the process to fix them.More items...

In some specific cases, we observed that the problem no longer stayed after deleting the Outlook App Data folder. Thus, you can try deleting the Outlook App Data folder and check whether Outlook functions in your case