What is Dllhost.exe and How to Fix Dllhost.exe Application Error?

Dllhost.exe is a common Windows operating system file, which is also known as COM Surrogate.

However, there are many errors related to dllhost.exe.

Dllhost.exe -system Error is one of these annoying issues.

if you run into it, refer to this post fromMiniToolto get some fixes.

This is especially true for system services such as dllhost.exe.

It will show you detailed instructions about what dllhost.exe is and how to fix the dllhost.exe utility error.

About Dllhost.exe

Obviously, youve come here to ask What is dllhost.exe?

Lets figure out right now.

If dllhost.exe COM Surrogate crashes, an glitch notice will pop up saying COM Surrogate has stopped working.

you could always see this process while openingTask Manager.

All the executable files are important to every software tool and dllhost.exe is one of these executable files.

They contain the instructions that the computer needs to follow to carry out particular functions.

If there are no executable files including dllhost.exe, any program on your setup wont work.

Malware and viruses can take advantage of vulnerable of these executable files.

Malware or virus infection is a common cause of dllhost.exe errors.

Here are some of the error messages associated with dllhost.exe:

Dllhost.exe software Error.

Cannot find dllhost.exe.

Dllhost.exeis not a valid Win32 software.

Dllhost.exe has encountered a problem and needs to close.

We are sorry for the inconvenience.

Dllhost.exe is not running.

Faulting software Path: dllhost.exe.

Error starting program: dllhost.exe.

That means something is wrong with your equipment.

Uninstalled Windows updates can trigger this error.

Here are some other reasons:invalid registryentries, corrupted/deleted dllhost.exe files and malware infection.

What Should You Do Before Fixing the Dllhost.exe software Error?

Although the solutions provided below are safe and effective, events can take an unexpected turn.

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Fixes for the Dllhost.exe program Error

How to Fix Dllhost.exe program Error?

Hence, the first fix you could try when this issue shows up is to refresh your OS.

Here is a quick guide on how to do that.

Step 1: Right-click theStartmenu and selectSettingsto open it.

Step 2: ChooseUpdate & Security.

Step 3: From the right side, clickCheck for updatesif there are no updates lined up.

Step 4: Windows will check to see if there are any updates available.

Then plant the updates your OS has found.

Step 5: cycle your setup.

Now, look to see if this dllhost.exe error has been fixed.

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This post shows 4 solutions to fix Windows update failed problem.

Fix 2: Perform an SFC Scan

System file corruption can also cause the dllhost.exe issue.

In this case, you could run System File Checker (SFC).

It is a useful Windows built-in utility designed to fix faulty or missing system files at boot.

Here is a guide on how to perform anSFC scan.

Step 1: Typecmdin theSearchbar, navigate toCommand Promptand selectRun as administrator.

Step 2: When theUser Account Controlwindow pops up, clickYesto continue.

Step 3: key in this command:sfc /scannowand pressEnterto execute the command.

Step 4: Wait until the SFC scan is complete and then closeCommand Prompt.

Step 5: cycle your setup so that System File Checker can fix your system files at startup.

This should help fix your dllhost.exe error.

Fix 3: Perform a DISM Scan

The next fix is to perform aDISMscan.

Any undetected corrupt files or issues not corrected by SFC can be fixed by DISM.

Here is how to use it.

Now, the dllhost.exe error should be fixed.

If not, move down to the next method below.

This post shows how to fix the DISM error 87.

If there is a sign of a malware infection, do not hesitate to perform an anti-virus scan.

A Windows built-in tool Windows Defender can help you do that job.

Step 1: Press theWinkey +Ikey on the keyboard to open theSettingsutility.

Step 2: ClickUpdate & Securityand selectWindows Defenderfrom the menu.

Step 3: ClickOpen Windows Defender Security Center>Virus & threat protection.

Step 4: ClickAdvanced scannext to theQuick scanbutton.

Step 5: CheckFull scanand clickScan now.

Windows Defender will start to scan your setup and report any findings.

Maybe running a Windows Defender scan is not enough, then a third-party antivirus tool can help you.

After that, test whether this method is helpful to fix this dllhost.exe error.

Fix 5: revamp your Display Adapter Driver

An outdated driver can also trigger the dllhost.exe nuisance.

To do so, refer to the instructions below.

Step 1: Right-click theStartmenu and selectDevice Manager.

Step 2: Navigate to your display adapter in the list.

Right-click it and selectUpdate driver.

Step 3: SelectSearch automatically for updated driver software.

Step 4: kickstart your machine to make the new driver settle down and start functioning.

Finally, your dllhost.exe issue should be no more.

Here are the steps.

Step 1: Typecontrol panelin theSearchbar and clickControl Panelto open it.

Step 2: SetView by: Category, then clickSystem and Security > System.

Step 3: SelectAdvanced system settingsfrom the left-pane menu.

Step 4: In theAdvancedtab of theSystem Propertieswindow, click theSettings…button underPerformance.

Step 5: Go to theData Execution Preventiontab.

CheckTurn on DEP for all programsand services except those I select:and clickAdd.

Step 6: Go toC:\Windows\SysWOW64\dllhost.exe(64-bit version) orC:\Windows\System32\dllhost.exe(32-bit version).

Finddllhost.exeand add it to the exception list.

Step 7: ClickApply>OKto save the changes.

Hope this method proved helpful to fix this dllhost.exe error.

Step 2: Click theSystem Restore…button.

Step 3: ClickNextfrom the pop-up window.

Step 4: Select a restore point that you want to revert your system to and clickNext.

Step 5: Now confirm your restore point, and then clickFinish.

Step 6: After reading the warning message, clickYesto continue.

After the System Restore process is completed, you might verify if the same dllhost.exe error still pops up.

Windows 10 restore points missing or gone, it means that you cant restore computer to previous state.

restore points missing issue will be solved.

This post offers multiple fixes to repair the dllhost.exe tool error on my computer.

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