Resolve Microsoft Outlook Has Encountered a Problem and Needs to Close Error

Summary: Outlook has encountered a problem and needs to close error usually happens when something is interfering with Outlook’s startup. The cause for this can be a conflicting add-in, an improperly installed Office installation, or a damaged Outlook profile. The most appropriate fix to resolve this error can be launching Outlook in safe mode if add-ins are causing this issue.

Imagine you’ve a legal audit scheduled for today and you’ve to present all the archived Outlook data files for compliance purposes. But the moment you open your Outlook account, it shows the Outlook has encountered a problem and needs to close error.

But what causes this error or why is this an issue that we need to address? There can be many reasons why Outlook crashes frequently. Some of these issues may be directly related to the Outlook application itself, while there may be a few that might be related to system configuration or another application. To understand this in detail, we’ll be discussing the common reasons behind this error and some effective ways to fix it quickly.

What Causes the Outlook has Encountered a Problem and Needs to Close Error?

Few of the most common causes of Microsoft Outlook has encountered a problem and needs to close error are as follows:

• Virus or Malware Attack: Yes, a virus or malware attack can harm not only your operating system but various applications and their functioning as well. Such malware can enter your system through emails. So, if your Outlook is crashing too often, it may be due to a malware or virus attack.
• Corrupted PST File Header: Corruption in PST file header is one of the most common reasons behind the Outlook has encountered a problem error. It happens because of force closing of Outlook or because of damaged Outlook data file/profile. As a result, it can interfere with the functioning of Outlook and even lead to abrupt shut down of the application.
• Third-party Add-ins: Outlook Add-ins can create issues if they’re incompatible with the Outlook version installed on your system. They can prevent Outlook from starting or cause it to freeze mid-function.
• Corrupted Outlook Binaries/Program Files: Manually editing, renaming, or deleting any application-related dll or binary files can often cause a wide range of issues. Make sure not to modify any such libraries or system files without complete knowledge of the outcome of such actions.
• System Resource Allocation Issues: There may be chances that another application is using your Outlook application, and hence you are not able to access it. Further, the lack of system resources such as CPU, memory, storage, and virtual space can make the system slow, and it can lead to Outlook crash.
• Outdated Outlook Application: If your Outlook application hasn’t been updated for a long time, it can create compatibility issues and may prevent Outlook from starting.
• Damaged Outlook Profile: Corruption in Outlook profile can give rise to startup errors like Outlook has encountered a problem and you’re unable to perform normal function like replying to emails or sync with the server.
• Oversized PST File: If a PST file grows past its size limit, it can develop internal structure errors and can even become vulnerable to corruption. This can also affect Outlook from launching and functioning properly.

How to Fix Microsoft Outlook has Encountered a Problem and Needs to Close Error?

There are multiple methods available to fix this Outlook error. Here’s the step-by-step process for each of them:

Note: First, check if you are using the latest version of Classic Outlook and you’ve a backup of all your important files.

Method 1: Use Outlook in Safe Mode

Using Outlook in Safe Mode will help you identify whether add-ins are causing this error or not. Start your Outlook in Safe Mode & then disable responsible add-ins to overcome the issue:

Step 1: Press Windows+R keys, then type Outlook.exe /safe and hit Enter to launch it in safe mode.

Note: This will open Outlook in Safe mode, indicating third-party add-ins were causing the issue. You can now disable the add-ins for smooth workflow.

Step 2: Now, Open Outlook. Go to File > Options.

Step 3: Click to open the Add-ins tab and click on Go beside COM Add-ins.

Step 4: Uncheck all the add-ins that are creating issues and click OK.

Your Outlook application should launch normally if the problem was with third-party add-ins.

Method 2: Update Microsoft Office

An outdated version of Outlook can also be the reason why it’s having startup problems. Since you can’t open Outlook application, updating it from inside the app won’t be possible. Follow the steps below to perform this task:

• Close all instances of Outlook from the background.
• Open any other Microsoft application like Word or Excel.
• Go to Account > Update Options.
• Click on Update Now to check for and install any new updates.
• Once the update finishes, try to launch Outlook again to see if you still have problem during its startup or not.

Method 3: Repair Microsoft Office Installation

If Outlook keeps on crashing even after launching Outlook in safe mode and installing the latest updates, you might need to repair your Office installation. Follow the steps to do this:

• Open Settings on your PC and go to Apps > Installed Apps & features.
• Scroll down to find Microsoft 365
• Right-click on it and click on Modify.
• Click on Quick Repair and follow the instructions given on screen.
• If you still can’t open Outlook, select Online Repair to try and fix this issue.
• Restart your computer if needed and launch Outlook again to see if the problem still persists.

Note: The steps might vary slightly depending upon the version of Windows OS you have. We’ve currently performed these steps on Windows 10.

Method 4: Create a New Outlook Profile

If your Outlook profile is damaged, then it won’t let you access emails and other data. You can try to create a new Outlook profile with the steps mentioned below:

Step 1: Go to Start and then to Control Panel > Mail.

Step 2: In the new pop-up window, click show profiles.

Step 3: In the new popup window click Add, create new profile and then click OK.

Step 4: Provide all the necessary details and click Next.

Step 5: Wait till loading gets completed.

Step 6: Select the newly created profile under Always use this profile and click OK.

Step 7: Restart Outlook

Method 5: Use ScanPST.exe

If the issue is not resolved yet, then you can use ScanPST.exe or Inbox Repair Tool to repair your PST file. It is an inbuilt utility offered by Microsoft to repair minor corruption issues. This is a free tool that comes preinstalled with Microsoft Outlook. Just locate ScanPST.exe on your system, add the PST file to the tool to repair minor structural damage in the file.

However, ScanPST.exe cannot repair every type of Outlook errors. This utility works well for minor corruption, but it can’t repair corruption caused by faulty add-ins, improperly installed Microsoft 365, or a damaged Outlook profile. In such situation, a dedicated Outlook PST repair tool can be considered to fix Outlook PST corruption. Make sure that you check that corruption in PST file is causing this issue.

Conclusion

Before fixing the Outlook has encountered a problem and needs to close error, you must know what’s causing this error. Every reason has a specific method that corresponds to it, so it’s better that you understand the symptoms first. Determine whether the issue lies with Outlook or if it’s occurring because of a damaged Outlook profile or data file. For countering corruption issues, use the recommended PST Repair utility.

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