Fix Error Code 0x80004005: Unspecified error

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The error 0x80004005 seems to be a common problem for Windows users. You may have tried to access shared folders, start virtual machines or update your Windows, but you failed and received an error message. When troubleshooting, this error may appear “unspecified”, making the user even more confused.


There may be several reasons, but the most common is the missing DLL file that causes the unspecified error 0x80004005.

This problem can also occur if a file requiring Windows product activation (WPA) is corrupted or missing. This behaviour occurs when one or both of the following conditions are met:

A third-party backup program or antivirus program interferes with the installation of Windows XP.
A file that requires WPA is modified manually.

How to correct the error code 0x80004005 in Windows?

Look for the corrupted .dll file.

sfc for corrupted DLL

The .DLL file causes this error in most cases, so why not learn to fix it first. Your operating system gives you a pop-up window on warnings if you have a corrupted or missing DLL file that is the dynamic link library, and it is responsible for several operations in Windows.

So, if you get the error, you may not manage your device very well. But don’t worry, I’ll propose a solution that will solve the DLL problem.

You can solve the DLL problem, and this will automatically solve the problem with the error code. You must therefore run the System File Checker, which looks for corrupted files and replaces them with the correct file.

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  • Step 1 : Download PC Repair & Optimizer Tool (Windows 10, 8, 7, XP, Vista – Microsoft Gold Certified).
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Open the command prompt by clicking the Start button and clicking the Command prompt button, or by pressing win and R, which opens the Run box.
Type cmd and press Enter to receive the prompt.
Simply paste the following text into the sfc /scannow k black area and press Enter.
Leave it for a few minutes while the analysis continues, then you can restart the device and check if the error is still displayed.

Use Windows Troubleshooter

windows troubleshooter

Many users report that they receive error code 0x80004005 when the installation of Windows Update fails. You can use Windows Troubleshooter to repair the upgrade.

Perform these steps:

Step 1: Press Windows + S fully to open the search area, enter the troubleshooting and press Enter.

Step 2. Click on Show All

Step 3. Click on System and Security

Step 4: Right-click on Windows Update, select Run as administrator.

Click on Advanced, select Apply repairs automatically in the next window, then click on Next.

Click the Close button to complete the troubleshooting or click View Detailed Information to view more information about the results.

Disable the blocking function for antivirus program.


The most common cause of this error is your antivirus software with a false positive report. If you have antivirus software on your computer, first try to solve this problem by turning off the software. After turning off the software, check if Outlook is working correctly.

If this is the case, be sure to report it to the software developer. A big disadvantage is of course that the computer may not be well protected, but the developer should be able to solve this problem in a few days.

If you discover other troubleshooting methods to correct the 0x80004005 error on Windows 10, please do not hesitate to contact us in the Comments section below.

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