How to fix all the Fsavailux.exe errors in Windows 10?

By ivan.diskin | February 11, 2020 |

greater than 12 minutes

Since you are here, we can safely assume that you encountered an issue defined by an error message where Fsavailux.exe appeared as a key term. Or perhaps, you saw Fsavailux.exe active in the Task Manager application, which reported the process using a disproportionate amount of your computer resources – and you got alarmed. Whatever the problem involving the Fsavailux.exe file might be, we are here to provide you with all the answers and solutions.

What is Fsavailux.exe?

Fsavailux.exe, as a process, is a software component that appears in the most recent Windows installations on computers. Microsoft typically appends its signature on the legitimate process. The Disk Check utility is a program that employs this process for different purposes.

The Fsavailux.exe process is responsible for calling, starting, and managing scans involving the Disk Check utility. Users usually initiate the scans we are referring to here. Other times, auto-start setups or functions in Windows tend to initialize them.

We reviewed the average usage rate and performance events for the Fsavailux.exe process across several computers at standard test conditions. We figured out certain things. One was that the default resource usage for Fsavailux.exe is minimal – or at least, it is supposed to be – which means the process activities should not impact the overall system performance, especially when the Disk Check utility is not being used.

Is Fsavailux.exe safe?

Yes, Fsavailux.exe is a safe process – or at least, the legit file from Microsoft is supposed to be safe. We cannot say much for the Fsavailux.exe version running on your computer for obvious reasons.

If the Fsavailux.exe process on your computer is the real thing – which means it is a file that got signed by Microsoft – then you will not have to worry much about it. You should not consider it a security threat.

However, if you are not sure of things, then you must consider the possibility where the Fsavailux.exe process active on your computer is a malicious program that is disguising itself as a normal Windows component. Yes, some attackers develop malware with cloaking capabilities that allow it to hide in plain sight and evade detection. What gives such malicious entities away, sometimes, is the abnormal operations they engage in or the unusual traffic resulting from their inconsistent activities.

There are certain things you can do to find out whether you are dealing with a security threat. Of course, if you are not sure of the genuineness or the authenticity of the Fsavailux.exe process on your computer, it makes sense for you to perform investigations to learn the truth.

Ideally, you should begin by considering the events where the Disk Check utility has a valid reason to be active. For example, if the Disk Check utility appears to be called upon, then it has to be for one of these:

  • You manually triggered a scan operation.
  • Your computer initiated a scan operation after an unexpected shutdown or interrupted session.

If any of those events apply in your case, then the appearance of the Fsavailux.exe process in the Task Manager application is justified. The same thing goes for the case where the process is being listed as active.

On the other hand, if none of the described events were in play in your case – which means there is no reason or justification for the Fsavailux.exe appearance (or it using up a disproportionate amount of your computer resources) – then you have to investigate things further. Now, you must try to figure out the location from which the file is operating. Continue with the instructions below:

  • Open the Task Manager application – if you are not on the program window already.

You can use the Ctrl + Shift + Escape keyboard shortcut to launch the Task Manager app quickly.

  • Locate the Fsavailux.exe process (under the Processes tab). Right-click on the process to see the context menu available for it and then select the Open File Location option.

You will be directed to a specific directory on your disk in a File Explorer window.

If the Fsavailux.exe file is revealed to be in a location that does not exist or lie along the C: \ Windows \ System path, then the process you saw is probably a malicious program.

If you have reasons to suspect that the Fsavailux.exe process is a threat (or not the real thing from Microsoft), then you must run scans on the file. You can fire up your web browser and upload the Fsavailux.exe file to the malware databases provided by reputable security organizations or firms. If matches or similarities are found, then you will know about it.

If you did not get far with the malware analysis operations, then you might have to deal with the suspected threat differently. Perhaps, the Fsavailux.exe file you found is simply a component or package used by a malicious program that is residing in a different location on your disk. In that case, you will do well to run comprehensive scans for all forms of threats on your computer. We covered the instructions on performing such tasks in a specific procedure (below) in this guide.

How to deal with the security threat (if Fsavailux.exe is a malicious program)

If your investigations pointed towards the Fsavailux.exe process being a threat, then you have to perform other tasks to detect and remove all the bad stuff on your PC. Well, if you managed to identify one malicious program because it became noticeable due to its disproportionate consumption of your computer resources, then there is a good chance that your computer hosts other harmful items.

You will need a security utility to assist you with the job here. If you have an antivirus, then you must use it. Otherwise – if your PC lacks a protection suite – you will do well to download and run Auslogics Anti-Malware. In any case, these are the instructions you must follow to use the tool to perform the necessary scans:

  • Fire up your antivirus or antimalware application by clicking on its launcher or shortcut on your desktop.
  • Assuming the security program’s window has been brought up, you have to click on its main scan menu to see the options available.
  • Select Full/Complete scan and use it.

Here, we want you to go with the most comprehensive and intensive scan option, which should be the one that ensures your antivirus or antimalware software checks all the items and folders on your disk while it takes as much time as it needs. This way, nothing gets left out.

  • You will have to be patient. The deep scan operations will take a while.
  • After the scan is done, you have to go through the threat or scan report.

If the security program has detected dangerous items, then you will find the bad stuff in the quarantine.

  • You can go through the threats on the quarantine. You can delete them for good – if you are sure no legit program has been misrecognized as a malicious item.
  • After you get rid of the malware, you have to restart your computer.
  • Wait for Windows to boot up and settle down. Check and confirm that Fsavailux.exe no longer shows up as an active process that is consuming your computer resources in the Task Manager program.

Should I get rid of Fsavailux.exe?

No.

If nothing from the investigations you conducted suggests that Fsavailux.exe is a threat, then you will have to assume that the process you saw is genuine. However, if Fsavailux.exe continues to bother you as it uses up a significant share of system resources – which might cause your PC to slow down or even crash – then you still have to find a way to deal with its abnormal behavior.

Well, you might be tempted to delete the Fsavailux.exe file to do away with it for good, but we must warn you against such a move. Fsavailux.exe is an important component employed by a system utility in Windows, so you will be doing yourself no favors by getting rid of it. In fact, you might run into problems more complicated than the issues you are facing now – if the Fsavailux.exe file leaves its rightful location.

If you are struggling with the abnormal resource usage problem involving the genuine Fsavailux.exe process, then the file (or its package) has probably fallen to corruption, which might explain why it is malfunctioning and taking more juice than it should. Fortunately, you will be able to resolve the problem by repairing corrupted files in Windows using the standard utilities designed for such purposes.

Here, we intend to show you how to fix the Fsavailux.exe corruption problem, which is reported to be the cause of the high CPU usage issue on certain computers. The SFC (System File Checker) and the DISM (Deployment Image Servicing and Management) utilities are the tools you must use. These instructions cover the work you must do with them:

  • Click on the Windows icon in the bottom-left corner of your PC’s screen to see the options and applications that make up the Windows Start menu screen (or hit the Windows logo button on your machine’s keyboard for the same outcome).
  • Input Command Prompt into the text box (that appears the moment you begin to type) to perform a search task using those keywords as the query.
  • Once Command Prompt (App) gets displayed as the main entry on the results list returned, you have to do a right-click on it to see the context menu available for it and then select the Run as administrator option.

Your system will bring up the Administrator: Command Prompt window now.

  • You must begin by executing this code (input the code first and then give the Enter key a tap to get Windows to run it):

sfc /scannow

  • You must be patient.

Do not interrupt the process while Windows is still busy with the operations. Otherwise, you might end up provoking additional logical errors on your disk, which might result in more problems for you.

  • Once the scan involving the SFC utility is complete, you have to close the elevated Command Prompt window and then restart your computer.
  • After Windows settles down, you can open the Task Manager app to see if the high CPU usage issue involving the Fsavailux.exe process has been resolved.

Otherwise, if the process continues to exhibit abnormal behavior, you have to continue with the instructions below to use the DISM utility to complement the work done by the SFC tool:

  • Here too, you have to launch the Command Prompt window with administrative rights or powers.

We provided the instructions on performing this task not so long ago, so you might want to scroll up and go through the first three steps of the procedure here.

  • Assuming the needed elevated Command Prompt window has been brought up, you have to execute these lines of code (one at a time, one after the other):
  1. Dism.exe /online /cleanup-image /scanhealth
  2. Dism.exe /online /cleanup-image /restorehealth

The DISM tool might make use of your internet connection to contact the necessary servers and fetch healthy copies of the files that need to be replaced. You might want to run speed tests on your web browser to confirm that everything is fine with your internet setup.

  • After the processes involving the DISM tool reach completion, you have to restart your computer.
  • Check and confirm that Fsavailux.exe no longer shows up as a process or component that is using up a disproportionate amount of your system resources in the Task Manager application, especially when it is not supposed to appear at all.

How to fix Fsavailux.exe errors in Windows 10

These are some of the error messages or notifications associated with the Fsavailux.exe file in Windows 10:

  • Fsavailux.exe Application Error.
  • Fsavailux.exe could not be found.
  • Fsavailux.exe could not be installed.
  • Fsavailux.exe could not be launched. Class not registered.
  • Fsavailux.exe could not be started.
  • Fsavailux.exe failed to initialize properly.
  • Fsavailux.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
  • Fsavailux.exe is not a valid Win32 application.
  • Fsavailux.exe is not running

We will now move on to describe the procedures used to fix the issues defined by the errors above. 

  1. Download and install all Windows updates:

There is a good chance your computer is only displaying those errors because your PC is missing some important updates. Windows updates do contain bug patches and useful fixes to eliminate inconsistencies, vulnerabilities, and holes in Windows code.

Microsoft programmed Windows 10 to check for, download, and install updates (without users’ permission or knowledge), but the manual check for updates procedure still comes in handy in certain situations. Do this:

  • Use the Windows logo button + letter I keyboard shortcut to fire up the Settings application on your PC quickly.
  • Assuming the Settings window has been brought up, you have to click on Update and Security (one of the main menu items).
  • On the screen that follows, assuming you are now on the Windows Update menu, you have to click on the Check for Updates button.

Your system will now use your internet connection to make contact with the necessary servers or centers to see if there is any update your computer is yet to run.

The needed updates will be downloaded and installed automatically – if Windows finds new stuff for your PC. Otherwise, you will see a message stating your computer is up to date.

  • Once Windows is done installing all the updates, you have to restart your computer to round up things.
  • Allow Windows to settle down. Fire up the Task Manager application and then verify that everything is now in order as regards Fsavailux.exe’s behavior or activity.
  1. Copy the Fsavailux.exe file from another computer:

Here, we intend to show you how to get the missing Fsavailux.exe file in Windows 10. If you are dealing with an issue that is here because your computer cannot find the Fsavailux.exe file or if the problem is down to the Fsavailux.exe file being corrupted or becoming inaccessible (or unusable), then you might benefit from getting a healthy copy of the file from another computer and placing it on yours.

The donor PC must be similar to your device in as many ways as possible. Ideally, it must be running the same version and build of Windows 10 as your machine. Well, these are the instructions you must follow to do the job here:

  • First, you have to launch the File Explorer application on the donor PC by clicking on the program icon on the taskbar there.

Alternatively, you can use the Windows logo button + letter E keyboard shortcut to bring up the app quickly.

  • Assuming you are now on the File Explorer window, you have to click on This PC and then navigate through the directories on this path:

C: \ Windows \ System32 \

  • Now, you must locate the Fsavailux.exe file in your current location (or in folders along its path).
  • Click on the Fsavailux.exe file to get it highlighted, right-click on it to see the available context menu, and choose the Copy option.
  • At this point, you have to plug a flash drive into a port on the donor PC.
  • Go into your preferred directory on the inserted flash drive. Do a right-click on the folder to see some options and then choose Paste.

Windows will now save a copy of the Fsavailux.exe file in the appropriate location on the flash drive.

  • Now, you must eject the flash drive from the donor PC, unplug it, and then plug it into your computer port.
  • Here, you must open the File Explorer application on your device and then go into the folder where you saved the copied Fsavailux.exe file earlier.
  • Right-click on the Fsavailux.exe file to see some options and then select Copy.
  • Now, you must navigate through the necessary directories on your PC to go to the location where the Fsavailux.exe file resides on your system’s disk.
  • Do a right-click on any spot free of icons or objects to see the context menu available and then choose Paste.
  • You might have to click on Replace – if Windows brings up a prompt asking if you want to replace a file with the same name.
  • You might also have to click on the appropriate button on a prompt or dialog to affirm things – if Windows tries to get some form of confirmation for the operation.
  • Whatever happens, after your computer places the Fsavailux.exe file in its rightful location, you have to restart your PC to finish things.
  • After Windows boots up and settles down, you must check and confirm that your troubles with the Fsavailux.exe file or process are over.

We know that some download sites on the web offer the Fsavailux.exe file to users, but we cannot vouch for the genuineness or authenticity of the files hosted on those web pages. In your quest to get a needed component, you do not want to run the risk of infecting your computer with a malicious program.

Well, we are strongly against users downloading executables from the internet. You are always better off getting the needed items from a PC that you know or trust. And even then, the file replacement operation might not even deliver the results you are expecting.

Other things you can try to resolve Fsavailux.exe errors on a Windows 10 computer

If you are yet to resolve the issues that defined the error message where Fsavailux.exe appeared as a key term, then you have to attempt the procedures and workarounds on the last list here.

  1. Run a deep/comprehensive scan for viruses and malware (procedure covered in this guide already).
  2. Use System Restore – if you believe recent events or operations led to the manifestation of the issues.
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