How To Resolve Outlook Error 0x80004005?

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Windows is one of the most popular operating systems in the world. A reputation which is notable because it is very user-friendly and that it is widely supported by third-party applications and third-party devices. But as we know, and like other software, Microsoft systems are not perfect: There have been multiple occasions where Windows has experienced error message and system crashes coming out from nowhere and only indicate codes enigmatic error. The best example is undoubtedly error 0x80004005 which Microsoft itself defines as an “unspecified error”. In what situations can it arise and what solutions are there to resolve the error 0x80004005?

What does Windows error code 0x80004005 mean?

This particular error “0x80004005” concerns all versions of Windows and occurring in particular in situations where uses are not able to access an application, service or device for unexpected reasons. The following are scenarios in which, the access issues along with the error code may appear:

  1. Installing a Windows update or program
  2. Software update
  3. Starting a virtual machine
  4. Connecting to a network
  5. Access to shared network resources
  6. Receiving emails in Microsoft Outlook
  7. Decompressing a compressed file

Even if error 0x80004005 is an unusual Windows error, it can occur in a wide variety of situations. However, as the cause of the error does not lie in the faulty functioning of the system, but on incorrect or missing parameters or files of the apps, services or devices concerned, there is no single solution to this problem access. Solution approaches are more focused on the context in which the error 0x80004005 occurred.

Solutions to error 0x80004005 in case of Windows update

Different solutions are available to you if the installation of a Windows update does not work and if Windows displays an error code “0x80004005”: You can, for example, use the troubleshooting utility available by Microsoft, perform a check (with a repair) of the system files followed by restarting the update services or installing the necessary updates manually.

Solution 1: Troubleshooter

Windows 7 and Windows 8 users can download the Windows Update troubleshooter from a reliable source after which, they will have to launch it. Then click on the ”  Windows Update  ” entry and then on ”  Next  “. Windows then begins to try to resolve the update error.

Solution 2: Check and repair system files using SFC

Blocking Windows update installation could happen due to damaged or missing system files. If that is the case, you can fix the issue using the System File Checker (SFC) command prompt program, which is installed by default on all Windows systems. But, make sure to have the admin rights to be able to do the process because only then, you will be able to run the command prompt as admin to launch the SFC. Meeting this condition will allow you to run the system check.

  1. Enter “cmd” in the Windows search bar.
  2. Right-click on the command prompt followed by clicking on the menu item “Run as administrator”.
  3. Type in the command sfc/scannow followed by pressing Enter.

Solution 3: Restart the update services

In order to be able to obtain and install the updates regularly made available by Microsoft, Windows uses various services. If these do not work properly, errors such as error 0x80004005 can occur. An interesting solution can consequently consist of restarting these services, which also allows the command prompt. Start it as administrator and enter the following commands in order to stop these services first:

Solution 4: Manually install the update

If you still find the error 0x80004005 in the update center despite the previous steps, you can try to download and install the corresponding update manually. To do this, write down the corresponding Knowledge Base number followed by entering it in the search box for the Microsoft update catalog available online. You then get a list of update installation files for the different architectures. You just need to find the right version.

After downloading, execute the downloaded msu file with a double-click. Follow the instructions and restart the PC to fully complete the update process.

Resolving error 0x80004005 in Microsoft Outlook

There are two reasons for obtaining an error code “0x80004005” when viewing emails with the Outlook client:

  • The antivirus software that you use blocks the recovery of the messages obtained.
  • There is a problem with the notification of new emails received.

You can quickly and easily check if this is an anti-virus issue by temporarily disabling the security software used and trying to check your messages again. If it turns out that the program is actually responsible for the access problem, you will have to contact the manufacturer directly or choose another solution.

If the problem is related to the fact that the notification of new emails does not work, you can solve this problem by disabling this feature. To do this, go to Outlook options (“File” -> “Options”) and click on the “Email” category. In the “Receiving messages” section, uncheck the “Display a notification on the desktop” box and confirm the modification by clicking on “OK”.

What to do in case of error code “0x80004005” when decompressing a file?

If you want to decompress zipped files using a basic Windows tool and you encounter error 0x80004005, this usually indicates an algorithm has been used to compress the archived file, which isn’t supported. Another reason could be the ZIP file is password protected. Indeed, the Windows program only supports AES-128 and ZIPCrypto whereas the encrypted archived files are premised upon AES-256. The logical solution is, therefore, to use tools from third-party providers such as WinZip or 7-Zip, which is available as open-source. Many other encryption and compression methods are supported by the programs than built-in Windows service and increase the chances of opening the file.

Resolving a network error 0x80004005

The use of private and public networks also regularly results in errors such as “0x80004005”, which can prevent access to the entire network or to individual resources on the network (for example shared folders or disks). One of the most common causes is that the MS Networks’ clients along with file or printer sharing aren’t enabled for MS Networks. In order to resolve this error, it is sufficient in most cases to activate these two services as follows:

  1. Open System Management from the start menu.
  2. You need to look for the “Network and Sharing Center” option. Once found, click on it.
  3. Under “View your active networks”, you need to choose the malfunctioned network connection and click “Properties” from the menu that appears.
  4. Check the “Client for Microsoft networks” along with “File and printer sharing for MS networks” entries.
  5. Click ‘OK’ to save the changes.

If access to the shared folder is blocked, you should also check the status of Windows services mentioned on the side of the network participant providing the resources within the network.

Resolving error 0x80004005 in case of software installation or update

The error code “0x80004005” occurs not only for problems with applications and services from Microsoft along with the issues with software programs from third-party providers, especially during installation or updating. This message may be because the file or files intended to allow the installation or the update of the program have become corrupt. If you have got the files from the internet, then you need to try downloading those again.

If the issue continues to exist, then you can check the installed security software: indeed, whether it is real-time protection, Windows Firewall or similar solutions offered by third-party providers, it is possible that these software blocks the execution of the installation files thus resulting in “0x80004005” error. Temporarily disable the tools in question to see if they are responsible for the error. However, you need to ensure that the installation files are obtained from a reliable source or else, you can infect your system with malware.

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