9 BEST Ways to Fix Winscomrssrv.dll Error in Windows 10

If you've searched and come this far, you've encountered a common error message in Microsoft Windows 10. To know more on how you can fix a winscomrssrv.dll error—one of the most common of startup issues—read on, because here, I will deep-dive into:

  • What is winscomrssrv
  • Is this error message a virus
  • How to fix winscomrssrv error

Read on for additional information on how to tackle this common malware.


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What is Winscomrssrv DLL error?

Winscomrssrv dll is one of the most common startup errors in Windows. Often displayed as a popup message, winscomrssrv is a residual file from a malware attack. However, there is a legit Microsoft dll file as well; however, malware is known to disguise itself as this harmless file to cause harm to user systems.

Our systems are very prone to viruses, malware, and other cyber threats constantly. However, antivirus software is also quite ubiquitous in our devices—these threats are repeatedly removed whenever antivirus scans are run. This ensures your computer is running smoothly.

But, almost every kind of malware leaves behind some residual files, which requires your special attention.

Whenever booting your laptop, you might receive a notification that reads:

“There was a problem starting winscomrssrv.dll”

There is a reason for this. This particular error message is triggered by the presence of a residual file of the same name. Technically speaking, the dll file cannot be recognized by Microsoft Windows anymore.

As discussed before, it requires special attention, which means you have to manually go and delete this residual file to offset these dll errors.

This file is not a vital file to Windows 10 operating system. It is often located in an undetermined file location and is often a zero-byte file.

However, as these dll files have a visible pop up window, and because such dll files are periodically launched by Task Scheduler as a Task scheduler entry, it is at a security threat level of approximately 30%.

Is Winscomrssrv DLL a Virus?

While the dll files on your computer are legitimate Windows files, sometimes sinister malware might disguise itself as a dll file or multiple dll files. In this aspect, yes, winscomrssrv can be a very serious trojan horse virus, which can wreak havoc on your computer.

If this said trojan horse file infects your system, there are a number of consequences to such a malware attack:

  • Corrupting the hard drive on your computer
  • Ransomware infection of your operating system
  • Other miscellaneous damages and harm

Hence, it is imperative to delete such a file or such files. And, you’d want to know the kind of threat it is and of course, how to get rid of it. After all, that’s why you’re here!

At this point, it is good to note that most antivirus software flags this file through an error message.

For example, Microsoft Windows Defender flags it as Trojan:Win32/Bluteal.

Now that we’ve discussed the nature of the DLL file, let’s delve into the ways in which you can delete said file from your computer.

Read on to find out.

And, if your antivirus returns, “IDP.generic is deleted,” you might want to click here.

 How do I fix a Winscomrssrv.dll on my Computer?

Here are the ways in which you can remove the dll error/file from your infected computer. Some of these DLL removing steps are quite easy and uncomplicated, while others are not so much.

fixes for winscomrssrv.dll

Let’s get into the solution if you’re facing this same issue.

Fix 1: Use Windows Defender to Remove winscomrssrvdll

windows defender to fix winscomrssrv.dll

Step 1: Run a quick scan on your computer, using Windows Defender. Although it is an autorun application, sometimes, it’s best to manually scan your computer as well.

Step 2: For additional safety, run an advanced scan and follow the applicable steps.

This should delete the DLL files.

Fix 2: Microsoft Safety Scanner to Remove winscomrssrvdll Error in Windows

It is a scanner and removal tool that can be used to stave common malware on the Windows operating system.

Step 1: Download the appropriate file and install it following the prompts.

Download Microsoft Safety Scanner (32-bit)
Download Microsoft Safety Scanner (64-bit)

Step 2: Run and scan your computer. This should return the threat in the search results.

Step 3: Reverse the changes done to your system by malicious programs.

 The logs can be viewed for further analysis at %SYSTEMROOT%\debug\msert.log.

Fix 3: Dll Errors are encountered frequently

If DLL errors are constantly encountered by Defender antivirus, try the following steps:

Step 1: Providing feedback through the Microsoft Feedback Hub app

Step 2: Run Windows update to apply fixes and to ensure the system is running fine. You can check it here Start > Settings > Windows Update

Step 3: Try to manually install the latest protection updates.

Fix 4: Malware is not detected

To ensure you detect malware efficiently, make sure the safety features on your system are turned on and your removal tool is updated. This can be any antivirus, however, this is specifically about MS Defender.

To turn on these features:

Step 1: Select Start and go to Settings.

Step 2: Go to Update Security then Windows Security, to reach Virus & threat protection.

windows security

Step 3: There, select Manage settings and ensure Cloud delivered protection and automatic sample submission are turned on.

virus & treat protection

Besides these, update the Defender app. For that, go to Virus and threat protection and go to Check for updates.

Fix 5: Malware keeps coming back

If you still suffer from the same issue, this is quite common. The solution is simple, follow these processes.

microsoft defender offline scan

Step 1: Use Defender offline. To start an offline scan follow the steps in Fix 4 to reach Virus and Threat Protection.

Step 2: Under Current Threat, select Scan option, and then select Offline scan and then scan now.

Fix 6: Irreversible Harm/Changes caused by Malware

If the malware has caused irreversible changes to the PC, then users can try backing up their data and resetting their systems, and updating all their software.

Fix 7: Run Microsoft Autorun

Another method to eliminate viruses from your PCs is to run Microsoft Autorun. To this follow these simple steps.

Step 1: Download Autoruns’ files from the zipped folder

Step 2: Once downloaded and extracted, run Autoruns64.exe

Step 3: Go to Autoruns click on the filter bar and enter the winscomrssrv filename to scan and remove it.

Fix 8: Run an Automatic Repair tool

Microsoft has plenty of executable dll files that it often runs. However, not malware. Follow these processes to run a repair on your system.

Automatic repair tools like Malwarebytes can really help users who are persistently facing dll related issues.

All you need to do is download, install, and run the application on your system.

Buy Malwarebytes Now

Fix 9: Running SFC and DISM

Step 1: Boot/restart your system and type cmd in your search bar.

Step 2: Right-click on Command Prompt and select run as administrator.

Step 3: Paste sfc /Scannow and press enter on the pop up that opens.

Step 4: Wait till the scan completes.

If it still runs into an error, copy and paste these commands and press Enter each time to run:

  • DISM /Online /Cleanup-Image /CheckHealth
  • DISM /Online /Cleanup-Image /ScanHealth
  • DISM /Online /Cleanup-Image /RestoreHealth
  • Then, restart your PC.

    Frequently Asked Questions : Winscomrssrv.dll

    Where can I find Startupchecklibrary DLL?

    StartupCheckLibrary. dll is an official Microsoft Windows system file that is located in the C:\Windows\System32 folder. If it located elsewhere, it could be malware.

    Is StartupCheckLibrary dll a virus?

    StartupCheckLibrary.dll is classified as malware by most antivirus applications—for example, Microsoft identifies it as a Trojan:Win32/Ymacco.

    Is Winscomrssrv dll a virus?

    Winscomrssrv.dll is commonly considered malware by antivirus software—for example, Symantec detects it as a Trojan. Gen. MBT, and Microsoft identifies it as a Trojan:Win32/Bluteal! inf. However, it is not in fact a virus. It’s a genuine Windows file that’s used to provide communication features between applications on the same computer through the Windows Communication Foundation (WCF). On Windows computers, Winscomrssrv.dll may be found in C:\Windows\System32\ folder.


    Hope that gives you an in-depth look into one of the most commonly faced problems when it comes to cyber threats. Malware is ever-present and ever-evolving, and users are always advised to be wary of such threats.

    Let me know in the comments below if you found a tenth fix that I missed. See you next time!

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