How to Fix 0x80004005: The Operation Failed Error in Outlook?

Microsoft Outlook is commonly seen as an email client for businesses and home users. However, a lot of error messages happen regularly when using this program. One common but annoying Outlook error is 0x80004005. So, this guide aims to continue providing successful solutions to one of the user-faced every Outlook error “0x80004005 the operation failed”. 

Also, Compare Microsoft Outlook vs Lotus Notes.

What is “Outlook Error 0x80004005”?

Outlook occasionally displays the following error message while trying to open any email:

“Sending and receiving the reported error 0x80004005: The operation failed.”

And it won’t require the user to open the incoming mails.

Users may receive similar error messages (0x800ccc0d or 0x800ccc0e) while also sending out emails.

Let’s check out the main reasons behind this error. 

Main Reasons behind the “0x80004005 the operation failed” Outlook Error

Malicious Assaults

Some kind of malware activity on the PST or other Outlook files can be the cause for a variety of odd activities, including that.

Script: An Antivirus Blocking Tool

It typically occurs because the antivirus program misidentifies and records. Norton Antivirus is the most popular cause of this. Many antivirus software has a functionality known as Script Blocking. If any program on your Computer attempts to run a script from a.bat or.reg file, it will trigger the Script Blocking function to search for any malicious code in it. 

Antiviruses also identify malicious code in a clean file (False Positive), too. In 

particular, due to false-positive detection, the antivirus program can be blocking any script run by MS Outlook. This will cause error code 0x80004005 to be thrown at MS Outlook.

Lost or defective Registry Keys:

For storing details of software programs and configurations, user choices, hardware devices, registry keys are used. If any corruption occurs it can harm MS Outlook’s proper functioning and generates the error.

So, these are the main factors behind this Outlook error. Let’s move over to fix the problem.

Manual Methods to Solve“0x80004005 the Operation Failed Error in Outlook

From a security point of view, disabling the script blocking function can be risky. So, think before you change the environment’s protection requirements. Now take a look at the various methods by which the ‘Operation Failed’ error can be eliminated from your program.

Method 1: Deactivate the notification of new mails in Outlook application

This approach will help you through the error barrier when receiving emails only. To begin with, open your Outlook application and take the steps below:

  1. Go to the File menu, Opt for the Options icon in the list.
  2. Then it’ll open a dialog box labeled Outlook options. Select the Mail option on the list on the right-hand side.
  3. You will only need to uncheck the View a Desktop Warning option in the Message arrival filter options. Through doing so, your desktop ‘s Latest Mail updates will be halted. You can no longer receive updates from incoming mails and it will help you access emails directly in your inbox.

Method 2: In your, Norton Antivirus Software untick the ‘Enable Script Blocking’ Feature

If you are using Norton Antivirus to secure your data then this Outlook Send / Receive error is the most common factor. The script blocking feature must be deactivated in the Norton Antivirus program.

The steps are as follows:

  1. Start the Norton AntiVirus, Norton SystemWorks or Norton Internet Security
  2. Press Options. If the menu is displaying, then press Norton AntiVirus.
  3. Go to the left pane, pick Script Blocking.
  4. On your right side, untick the Enable Script Blocking
  5. Hit OK.

Method 3: Make a Tidy Registry

Another solution for eradicating the error in Outlook is to make a tidy registry and delete compromised registry keys. Those unpleasant and incorrect keys to the registry cause network applications to disturb activity. You can delete bad entries in the registry keys using a registry cleaning utility.

Method 4: Check the network for Virus infection 

Your device applications start running slowly, or may not function at all at times when it has been affected by a bug or virus. You must be confident your machine is still virus-free. Apps such as Outlook are susceptible to virus attacks too. This Send / Receive error may result from infections with the virus.

Although what if all of these manual approaches fail to function or cure the issue. Such methods are simple to implement but not fully successful. Each approach has some drawbacks or some other. This is a potential risk if your device does not have antivirus protection or if you uninstall any current antivirus software there is a threat to the security of your device. 

You can either not detect any virus in your device, or you might fail to search it with installed apps. The problems with the poor Register are not necessarily widespread. 


Outlook being an outstanding application faces some errors like “0x80004005 the operation failed”. This guide discussed many methods to fix such kinds of errors successfully. I Hope, you will get the right choice after learning so many methods. 

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