There’s regular QuickBooks crashing, and then there’s the Crash Com Error a whole different kind of frustrating. This particular error tends to show up at the worst possible moments: right when you’re trying to email an invoice, send a paystub, or open a report. One second you’re working normally, and the next, QuickBooks throws up a “Crash: Com Error” message and shuts down sometimes taking unsaved work with it. The root of this issue almost always traces back to a communication breakdown between QuickBooks and Microsoft Outlook (or another email client), often triggered by a Windows or MS Office update. Since this error directly interferes with sending forms and emails something most businesses do daily getting it fixed quickly matters. We’ve put together 11 solutions below covering everything from Outlook settings to firewall configuration. If you’d rather have a technician sort it out, our QuickBooks error support team is available at +1-888-510-9198 just give us a call.
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What is QuickBooks Crash Com Error?
Crash com error in QuickBooks desktop is one of the most common errors that users face. This error causes a lot of problems especially because the software consists of a lot of financial data and records. This issue can be seen when the user tries to send emails, invoices, paystubs, transactions or reports. Crash com error can end up in losing the unsaved data, which can be very disheartening for QuickBooks users. However, this crash com error can be rectified using a few possible solutions, which will be discussed later in this article.

Triggers to QuickBooks Crash Com Error
There can be a plenty of causes to QuickBooks Crash Com Error, a few of which are scribbled below:
- In case the Windows or MS-Office components are missing or damaged, then it is probable to encounter crash com error.
- There might be chances that any kind of virus or Trojan hampering the software.
- Or if any malicious software mistakenly deletes the crucial QuickBooks related files.
- The Error can also be seen, when the antivirus or firewall program blocks the QuickBooks communication process.
- The user can also encounter this error, when the QuickBooks software fails to communicate with the client or email service.
- Another trigger to the error can be if the QuickBooks components get damaged somehow.
When can users encounter crash com error in QuickBooks?
Before deploying any kind of solutions, let us first understand, when can the user stumble upon this error. Let us have a look at the list of the situations when the user can face this annoying error.
- While opening report in QuickBooks
- Or while saving something in QuickBooks
- At the time of emailing invoices
- When opening invoices
- During the process of opening the check register
- While attaching any document in QuickBooks
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Best Solution Steps to Resolve Crash com error in QuickBooks desktop
Here you can find the best solution methods to fix this QuickBooks Error. Please follow these given troubleshooting steps:
Solution 1: Make Outlook as a default Mail app
Setting Microsoft Outlook as your default mail app can eliminate the issue to a certain extent. You can make use of the steps below to set Outlook as default mail app.
- To begin with, the user needs to visit the Control Panel, then Default Program and Set Default Program
- And then select MS outlook.
- And lastly, make it as the default program by clicking OK button.

Solution 2: Adding Email account to Outlook
- In this process, the user is supposed to move to the MS Outlook and then select the File Menu
- The next step is to select Add Account to start the setup process

- And then provide the email address and then select on the Connect tab

- Outlook will automatically the right server settings and once done select Connect
- After this enter the password for the email address provided and then click on OK button
- And finally choose OK and finish the complete set up

Important: If QuickBooks Desktop is not able to identify Outlook, (to examine this, go to Edit > Preferences > Send Forms > My Preferences tab to see if you have the option to choose Outlook) you might should reboot the computer and repair QuickBooks. You could additionally create a new Windows user profile. If the new Windows account does not discover Outlook in QuickBooks preferences, repair work QuickBooks.
Solution 3: Toggle the Mail Settings
- To begin with, go to the Control Panel and then click Mail
- After that select Microsoft Outlook

- Followed by selecting Show Profile in the Mail Set Up
- In case the Always Use this profile tab is already selected then you have to choose a prompt for the profile and then select Apply button.
- Always Use this profile to toggle the selection back and then apply it

- End the process by clicking on OK tab
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Solution 4: Make a New Outlook Mail Profile

- First of all, close the Microsoft Outlook
- Then go to Control Panel and then Mail
- Followed by selecting Show Profile option
- After this click on Add

- And then, under the profile name add a name and then select OK button
- By following the onscreen instructions provide the email account that you want to use.
- Lastly, select Use this profile drop down and then select newly create profile and click on Apply then click OK button.
Solution 5: Fix Office and Windows Update for Run
Often certain features of Microsoft Office like excel, word etc. Do not work properly. They can be easily fixed by restarting the system, but when that doesn’t help you have to get it repaired. Here are the ways to repair it.
- Make a right click on the Windows start button in the Windows 8 or 10 version and then select Apps and feature on the pop-up menu bar
- After this select the feature or product of Microsoft which you want to fix and then select modify option
- Either you will get Click to Run or MSI-based installation, it all depends on the version of Microsoft
Click to Run
- Make sure everything is alright when you want to repair the programs of Office. Select on Online Repair and then select Repair.
MSI- Based
- First change the installation, then select Repair and click on Continue button.
- Instructions will be provided on the screen follow them and complete the repair process.
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Solution 6: Run QuickBooks on Compatibility Mode
- First select the QuickBooks icon on the desktop and then select QuickBooks option on Compatibility Mode
- Check the box in the Compatibility Mode section after choosing Compatibility and run this program in that mode
- After this select Windows 7 from the drop down
- Go to the privilege level section and check run this program as the administrator
- Finally Apply and then choose OK button

Solution 7: Adding new Windows Admin user
At times, adding a new windows admin user can help in dealing with such annoying errors in QuickBooks. The steps involved in the procedure are as follows:

- At first you need to open the windows start menu and then choose all programs option.
- You now have to open the windows start menu and further go for all programs option.
- Once done with that, open windows small business server and further go for windows SBS console.
- The next step is to click on users and groups and choose to add a new user account.

- You now have to follow the add a new user account wizard.
- Followed by giving the new user, admin rights.
- Also, click on the finish tab and log on to windows with the new user.
- The last step is to reopen QuickBooks.
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Solution 8: QuickBooks desktop and company file fine-tuning
- The very first step in this process is to, open and update QuickBooks to the latest release
- And then, opt for QuickBooks manual updates, in case of QuickBooks update errors
- After that, the user is recommended to open and verify the QuickBooks company file to check the data integrity of the company file

- The next step in the process is to open the item on which the QuickBooks crash com error was encountered and then make an attempt to email it
- To end the process, the user is required to make an attempt to open certain reports or email it, in order to check whether the issue continues
Solution 9: Update Microsoft Outlook

- Open Microsoft Outlook and go to File
- Choose Office Account and click on Update Options
- Click Update Now
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Solution 10: Update QuickBooks to the latest release

If the Crash Com Error persists even after performing all the above-mentioned troubleshooting steps, update QuickBooks to the latest release. This issue isn’t present in the latest release of the Software. The steps you should perform are:
- The very first step is to move to the help menu and choose Update QuickBooks option.
- Now, move to the update now tab, and choose the reset updates checkbox to clear all the previous update downloads.
- You now have to choose the get updates option to begin the download process.

- Reboot QuickBooks after the download is complete.
- You will then have to accept the option to install the latest release.

Method 11: Configuring QuickBooks firewall and security exception
- The user can first add QuickBooks firewall exceptions to the communication funnel.
- After that, it is suggested to configure firewall ports or add exception in the system security software according to the instructions given in the user manual.

- The next step is to restart the system and reassure the settings.
- By the end of this process, you will have access to another report or a form and then try to email it and check if the issue persists.
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Conclusion!
Most cases of the Crash Com Error trace back to an Outlook or Microsoft Office configuration issue, which is why Solutions 1 through 4 resolve it for the majority of users without needing to go further down the list. The later solutions like compatibility mode and firewall configuration are there for the less common cases where the issue runs a bit deeper.
If you’ve worked through all 11 solutions and the error keeps popping up, it’s worth having one of our technicians take a closer look rather than risking repeated data loss. Reach out to our QuickBooks enterprise support team at +1-888-510-9198 for hands-on help getting this resolved for good.
Frequently Asked Questions (FAQs)– QuickBooks Crash Com Error
One can experience this issue in the following situations:
1. Attaching any specific file
2. While saving any file
3. Opening to QuickBooks Check Register
4. Viewing a report
In case the Microsoft Outlook cannot identify the QuickBooks software, then perform the steps below:
1: First, open QuickBooks Desktop.
2: And then, click on Edit and select Preferences.
3: Now, choose send Forms followed by choosing My Preferences
You can try creating windows user with admin rights using the steps below:
1. Create windows user with admin rights
2. Log on to windows with new user
3. Re-open QuickBooks
QuickBooks might crash if there is issue with the system itself or if the software is not updated to the latest release.
While Outlook is the most commonly affected email client largely because it’s the default mail option for most QuickBooks Desktop users this error can technically occur with other MAPI-compatible email clients as well, if there’s a similar communication breakdown happening.
Yes, this is actually one of the most common triggers. Windows and Microsoft Office updates can quietly change registry settings, default program associations, or compatibility configurations that QuickBooks relies on to communicate with Outlook. If the error started right after a Windows or Office update, Solution 5 (repairing Office) and Solution 9 (updating Outlook) are good starting points, since they directly address update-related conflicts.
Unfortunately, yes — in most cases, whatever you were working on at the exact moment the crash occurs (an unsaved invoice, report, or email draft) will be lost, since QuickBooks closes the active task abruptly. This is why it’s a good habit to save your work frequently while using QuickBooks, especially before sending emails or generating reports, so you minimize what’s at risk if this error strikes unexpectedly.
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