What Is SumatraPDF.dll? Is It A Virus Or Malware?

What is SumatraPDF.dll?

SumatraPDF.dll is an DLL file which belongs to the process SumatraPDF which comes with the Software SumatraPDF developed by the software developer Krzysztof Kowalczyk.

The .dll extension of the SumatraPDF.dll file specifies it is a Dynamic-link library file.

Malware and viruses are also transmitted through DLL files. So we must be sure before opening any unknown DLL file on our computers. I have faced these DLL corrupt or malware issues many times.

We will check if the SumatraPDF.dll file is a virus or malware. Whether it should be deleted to keep your computer safe? Read more below.

Is SumatraPDF.dll safe to run? Is it a virus or malware?

Let’s check the location of this DLL file to determine whether this is legit software or a virus. The location of this file is mentioned below.

File Location / Danger rating: C:UsersUSERNAMEAppDataLocalLowSumatraPDFIE

To check whether the DLL file is legit you can start the Task Manager. Then click on the columns field and add Verified Signer as one of the columns.

Now, look at the Verified Signer value for SumatraPDF.dll process if it says “Unable to verify” then the file may be a virus.

If the developer of the software is legitimate, then it is not a virus or malware. If the developer is not listed or seems suspicious, you can remove it using the uninstall program.

How to Fix SumatraPDF.dll Errors

To fix the missing SumatraPDF.dll file you can perform a system restore to restore all missing DLL files on your system.

If the system restores didn’t fix the DLL issue, then you can run System File Checker to fix corrupt DLL files on your Windows system.

How To Remove or Uninstall SumatraPDF.dll

To remove SumatraPDF.dll from your computer do the following steps one by one.

1. If the DLL file is part of a software program or game, then it will also have an uninstall option. Then you can run the Uninstaller located a directory like C:>Krzysztof Kowalczyk>SumatraPDF orSumatraPDF >SumatraPDF.dll_uninstall.dll
2. Or the SumatraPDF.dll was installed using the Windows Installer then to uninstall it Go to System Settings and open Add Or Remove Programs Option.
3. Then Search for SumatraPDF.dll or the software name SumatraPDF in the search bar or try out the developer name Krzysztof Kowalczyk.
4. Then click on it and select the Uninstall Program option to remove SumatraPDF.dll file from your computer. Now the software SumatraPDF program along with the file SumatraPDF.dll will be removed from your computer.

SumatraPDF.dll DLL Frequently Asked Questions

How do I fix issues with SumatraPDF.dll?

You can fix most of SumatraPDF.dll issues by updating your drivers, uninstalling and reinstalling the software, disabling the SumatraPDF.dll.dll service, or contacting SumatraPDF support for further assistance.

Can I remove SumatraPDF.dll from my computer?

Yes, you can remove SumatraPDF.dll dll file from your computer if you no longer need it. To do this, go to the Control Panel, select “Programs and Features,” and locate the SumatraPDF software. Right-click on the software and select “Uninstall.”

Does SumatraPDF software’s SumatraPDF.dll file work on Mac computers?

No, SumatraPDF.dll DLL file associated with SumatraPDF software is designed for Windows computers only. So, it does not work on Mac computers.

I hope you were able to learn more about the SumatraPDF.dll dll file and how to remove it.

Let us know in the comments below if you face any other SumatraPDF.dll issues.

Gowtham V

He is the founder of howtodoninja.com and is an experienced tech writer and a cybersecurity enthusiast with a passion for exploring the latest technological advancements. He has 10 years of experience in writing comprehensive how-to guides, tutorials, and reviews on software, hardware, and internet services. With an interest in computer security, he strives to educate users by writing content on how to use technology, and how to also protect their smart devices and personal data from cyber threats. He currently uses a Windows computer, and a Macbook Pro, and tests hundreds of Android phones for writing his reviews and guides.