How to Fix Outlook Crash Error Code 0xc0000005?

Summary: The exception code 0xc0000005 is a common issue that can cause Outlook to crash. But don’t worry, it’s an easy error to fix once you understand its causes. In this guide, we’ll explore the typical reasons behind the Outlook error 0xc0000005 and provide you with effective solutions. Follow along, and you’ll be able to resolve the exception code 0xc0000005 swiftly.

Content Table:

What is Outlook Error Code 0xc0000005 Meaning?

Exception code 0xc0000005 is a common error when the application crashes. This error code indicates Access Violation Error, meaning your application trying to access a memory location to which it has no permission. This can be due to many reasons, understanding them help you with fixing it and taking preventative measure for the future.

Common causes of Outlook exception code 0xc0000005

  • Corrupted Outlook data file: Corruption can happen because of sudden power failure or hardware malfunction.
  • Conflicting Add-ins: If the add-in is not compatible with Outlook or it is outdated.
  • Virus or Malware infection: These malicious attacks can damage system files, including those required for Outlook, and can cause a crash.
  • Hardware problems: If there is an issue with your computer’s hardware, which can cause memory access violations.
  • Outdated or corrupted Windows: If Windows is not updated regularly then there can be system files that are corrupted.

How to Repair Outlook Crash Exception Code 0xc0000005?

Outlook crash can be frustrating since it prevents you from accessing your emails and interrupts your work. But there are solutions that you can try and fix the issue. We will provide you with a few methods below that can resolve the Outlook error code 0xc0000005.

1. Check your Hardware Components

As we know that hardware issues can cause the software to crash, first, we should ensure that the hardware is all good. This means the components like RAM, Hard drive, connections, etc. To complete this process, you must open your casing and check one at a time. You can also seek the help of a professional if needed, but ruling out the hardware issues is always good. If you are not presented with any hardware issues, move to the next solution.

2. Use Antivirus Software

Now that we rule out hardware issues, let’s think about the software issues. As with any software issue troubleshooting, we are going to check to do our system is infected by any malicious agent. So, use anti-virus software and start scanning the system, you can use Windows Security to start with, but want to upgrade to professional anti-virus software for better results. Once a thorough scanning is completed, check the issues resolved, if is persist move on to the next method.

3. Disable Add-ins and Plugins

Add-ins or Plugins are the tools we integrate with Outlook applications to give additional functionalities, like automated tasks. Though they are helpful, they can cause issues at times, including crashing the application. So, try and disable one at a time to find which one is causing the error.

If you have access to Outlook Web App (OWA), you can disable your plugins. Follow these steps:

  • From your browser go to, sign in with your credentials.
  • Select any mail; on the right-hand side, you can see the Get Add-ins icon; click on it.
  • From the window, select My add-ins. You can see all the installed add-ins here.
  • Disable one at a time and check if your Outlook application can open.

Note: Sometimes the Get Add-ins icon is not visible, so you go to Settings icon > View all Outlook settings> Mail > Customize actions, select Get Add-ins, and click Save.

You can use the solution below if you cannot access Outlook Web App (OWA).

4. Run Outlook in Safe Mode

A safe mode is a troubleshooting tool that allows applications to work in an environment without any of the factors affecting the operation. When you open Outlook in safe mode, this will disable all the things such as Add-ins, and start the software with default settings. Enter safe mode with the below steps,

  • Close the Outlook
  • Press the CTRL key and click on the Outlook application.
  • Click Yes, when presented with a pop-up message.

You will show a message that you are using with Safe mode. If the software is working properly then it might be an issue with the add-ins. Like the above solution try disabling plugins one at a time and check which one causes the problem.

5. Roll-Back Latest Update

If the issue is not due to the plugins now, we have looked at the recent updates. Some updates get corrupted either while downloading or installing. To resolve this issue, you must uninstall the recent update and roll back to the previous version. You can always try and update again once the issue is solved. Follow these steps and rollback to the previous version,

  • Type CMD in the Windows search bar and select Run as administrator.
  • In the Command Prompt window type cd “\Program Files\Common Files\microsoft shared\ClickToRun” and press Enter.
  • Now you will be in the ClickToRun folder, now type officec2rclient.exe /update user updatetoversion=16.0.12827.20470 and press Enter.

Note: This command will roll back the system to June 24, 2020, release and fix the error.

6. Repair Outlook Data File

An Outlook data file stores all your emails, calendar appointments, contacts, and other data in Outlook. They are typically saved as PST (Personal Storage Table) or OST (Offline Storage Table) files with .pst or .ost extension respectively and can located on your computer or on a server. When these files get corrupted or damaged you see the errors in Outlook, such as the access violation error here. Repair these files, either using a built-in tool or you can use a professional repair tool.

a.Use the inbox repair tool

Inbox repair tool or scanpst.exe is a free built-in tool by Microsoft to repair problems with Outlook data files. You can find this tool at one of the below locations depending on your Outlook version,

  1. Outlook 2019: C:\Program Files (x86)\Microsoft Office\root\Office16
  2. Outlook 2016: C:\Program Files (x86)\Microsoft Office\root\Office16
  3. Outlook 2013: C:\Program Files (x86)\Microsoft Office\Office15
  4. Outlook 2010: C:\Program Files (x86)\Microsoft Office\Office14
  5. Outlook 2007: C:\Program Files (x86)\Microsoft Office\Office12

Note: If you are using a 64-bit version of Windows, the ScanPST.exe tool may be in the Program Files folder instead of the Program Files (x86) folder.

  • Double-click on the exe file to open it.
  • In the Enter the name of the file you want to scan field, enter the path and file name of the OST file that you want to repair.

Note: You can click the Browse button to locate the file if you’re unsure of its location.

  • Click on the Start button to begin the scan.
  • If errors are found, click the Repair button to begin the repair process.
  • After the repair, open Outlook and check if the issue has been resolved.

Note: It’s important to note that the repair process may take some time, and you may need to repeat it several times to resolve the issue fully.

b. Use a professional repair tool.

Now, if you are not satisfied with the result or prefer a professional repair tool, you have many options. You can try the SFWare PST Repair tool, which we recommend, an easy and user-friendly software designed to repair PST or OST files without any hassle.

Steps to Use the SFWare PST Repair Tool

Start the process by downloading and installing the SFWare PST Repair Tool on your computer.

Free Download for Windows

  • Launch the software and select an option from the screen,
    • Open PST File – If you know the location of the file.
    • Find PST File – To search for the Outlook data files.
    • Select Outlook Profile – If you want to repair multiple files.

  • Provide the corrupt Outlook data file and click Next.

  • In the next screen, choose the scanning method –
    • Normal Scan – For a low level of corruption.
    • Smart Scan – When the Normal Scan is not enough.

  • Then give a location to save the repaired Outlook data file.
  • Click on the Repair button to begin the repair process.

Note: When the repair process is complete, you can preview the repaired Outlook data file to ensure that all data has been successfully restored.

  • Save the repaired Outlook data file to the desired location.

Note: Make sure to activate the software to save the repaired files.

Tips to Prevent Outlook Data File Corruption

  • Back up Outlook data files regularly.
  • Keep Outlook updated.
  • Avoid large attachments.
  • Avoid force-closing Outlook.
  • Use reliable antivirus software.


The error code 0xc0000005 appears when your Outlook crashed due to an access violation error. There are many reasons for this, but we discussed some and tried out some solutions. We have discussed the SFWare PST Repair tool, which is not only useful in this situation but also in a wide range of Outlook data file issues. If you face the issue, try the solution and let us know your experience.

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