One of the most common and frustrating errors Microsoft users often face is the AppVIsvSubsystems32.Dll error. The notification “The program can’t start because AppVIsvSubsystems32.dll is missing” usually pops when you are trying to open a Microsoft Office application. So, if you are struggling to fix AppVIsvSubsystems32.Dll you are in right place. here we have mentioned the best five methods to help you get rid of Office errors.

Fixing the Office error is not that easy. The difficulty of methods ranges from easy to advanced. This means some methods might be difficult for you to perform and can cause data loss in case of wrong steps. So, always take great care to fix AppVIsvSubsystems32.Dll error. But first, let’s know what is Office error?

What is AppVIsvSubsystems32 DLL?

AppVIsvSubsystems32 DLL is an important ingredient for most Windows applications. In short, the DLL file is a Microsoft application Virtualization client virtualization subsystems file and is important for the Microsoft Application Virtualization.

What does AppVIsvSubsystems32 DLL Error Mean?

The error in AppVIsvSubsystems32.DLL means that some specific file is missing or corrupted from your system. This can seriously affect the program. There can be multiple reasons behind this DLL error. for example, installation of faulty programs, malware, system registry issues, wrong installations, etc. The over-writing of DLL files is also one of the many reasons for AppVIsvSubsystems32.Dll. So, in short, whenever the Dll error appears on your screen, it means an important file is missing or corrupted.

Error messages related to APPVISVSUBSYSTEMS32.DLL which can appear on your screen are;

  • “The program can’t start because AppVIsvSubsystems32.Dll is missing from your computer” is the most commonly appeared notification for office error.
  • “There was a problem starting appvisvsubsystems32.dll.”
  • “Error loading appvisvsubsystems32.dll.”
  • “APPVISVSUBSYSTEMS32.DLL could not be located”
  • “There was a problem starting appvisvsubsystems32.dll.”
  • “Cannot register APPVISVSUBSYSTEMS32.DLL.”
  • “The code execution cannot proceed because appvisvsubsystems32.dll was not found.”

Different Ways To Fix AppVIsvSubsystems32.Dll Error

Here are the five proven methods to fix the DLL Error in your computer. Carefully follow each step to completely fix the issue.

1- Repair Microsoft Office

The easiest way to fix the AppVIscSubsystems32.Dll error is by repairing the Microsoft office. The Microsoft office repair can be of two types; Online Repair and Quick Repair. Online Repair requires a strong internet connection.

Repair Microsoft office
Image Source: microsoft.com.

Follow these steps to fix the Office Error:

-> Press Windows logo key+ R and type Control Panel in the run dialogue box. It will open the control panel of Microsoft Windows

-> Click on Uninstall Program under the program section on your screen.

-> Scroll down to the Microsoft Office program from all the installed programs list.

-> Click it and then select Change. Also, select Yes in case the UAC command prompt opens up.

-> Here, click on Quick Repair and then click on the Repair option.

It will take some time to repair. When the process is done, launch Microsoft Office on your PC. If the same DLL error appears on your screen then try Online Repair. It is a time-consuming process but will for sure fix AppVIsvSubsystems32.Dll error.

2- Uninstall & Re-install the Microsoft office

Uninstalling and Re-installing Microsoft office will pretty sure fix the DLL error in your PC. For this follow the steps here:

-> Press Windows logo key+ R and type Control Panel in the run dialogue box. It will open the control panel of Microsoft Windows.

-> Click on Uninstall Program under the program section on your screen.

-> Right Click on Microsoft Office and click Uninstall. This will uninstall Microsoft Office from your PC. Also, click on Yes when UAC prompts you to open up and carefully follow the instructions on your screen.

  • Control Panel- Fix AppVIsvSubsystems32.Dll error
  • Uninstall Microsoft office

-> Restart your computer after un-installation.

-> Then visit the Microsoft official website and download the offline Microsoft installer and then install it.

-> Use your product key to activate your Microsoft account.

This process will fix AppVIsvSubsystems32.Dll error.

3- Register the APPVISVSUBSYSTEMS32.DLL file to Fix Office Error

This is a difficult process to fix the DLL error. I recommend following each step carefully as described here;

-> Press the Windows key on your keyboard.

-> Type ”command prompt” in the search box

-> Click on the ‘Run as Administrator option.

-> Command Prompt will appear on your screen. 

-> Type “regsvr32 APPVISVSUBSYSTEMS32.DLL” in the command prompt and press the Enter key. Now, wait, until Windows register the DLL.

Command Prompt to fix AppVIsvSubsystems32.Dll error

-> When registration of DLL is done, Restart your computer and check if the error is fixed.

If still the error persists try the below-mentioned two processes.

4- Run a System File Checker (SFC) to Fix APPVISVSUBSYSTEMS32.DLL Error

-> Open the Command Prompt and select Run as Administrator as described in the above-mentioned steps.

-> Type sfc/scannow in command prompt and press Enter.

  • Command Prompt
  • Command Prompt to  Fix Dll error

-> Wait for the Window’s response that the command has begun. Wait for some time, because it will take time in system check.

-> Now two types of messages can appear on your Command prompt. The first is “Windows Resource Protection found corrupted files and successfully repaired them”. And second is “Windows Resource Protection did not find any integrity violations”

The second message means there is no violation in your system and now you can Restart the Computer. The first message means some errors have been detected in your system but aren’t able to repair those errors. In the case of the first message, try other methods to fix AppVIsvSubsystems32.DLL error.

5- Download APPVISVSUBSYSTEMS32.DLL Manually

This is a manual method to download AppVIsvSubsystems32.Dll to fix the Office error. We all know files have different versions for different versions sometimes. So, always choose the right one which your operating system supports.

-> Either 32-bit or 64-bit file version, always go for the latest version for boosting efficiency. So, download the latest files.

-> After downloading open the archive folder which has the DLL file with zip software your system preferred. These can be WinRAR or Wingtip.

-> Move the file to your computer desktop. Then verify the MD5 and SHA-1 of the file.

-> Once verification is done, create a backup for your existing current file.

-> Copy APPVISVSUBSYSTEMS32.DLL to the destination (the application which was showing Dll error) overwriting the existing version of the file.

-> Now put the file within the Windows system directory itself.

-> Finally restart your computer and open the application again to check for any error.

This will fix AppVIsvSubsystems32.Dll error but I recommend always go for the automatic method if you are not a tech person. Because there are consequences of losing your data if the process is done in the wrong way.

Besides these, also run Malware Scan in your PC because sometimes malware corrupted files can show DLL error. The malware scan will remove any malware from the system which will automatically fix the Office error. There are many third-party Anti-malware software, you can use to provide efficient security to your PC and overall system.

Also, Download Restoro on your PC. Restoro will detect the Dll error and automatically install and download the file. This will also keep track of other issues like this.

Update ALL your missing drivers with just 1 click

All the methods here are likely to completely fix AppVUsvSubsystems32.DLL error. Try each until the DLL error is resolved in your PC.