What is ExploreExtPDF.dll?

ExploreExtPDF.dll is a browser extension for Internet Explorer. This add-on enables several additional functions for Internet Explorer. You can disable it through the Extras menu (key combination Alt + X) under Manage Add-ons. The following paragraph provides more information about ExploreExt.

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ExploreExtPDF.dll file information

The process known as ExploreExt belongs to software Solid Converter PDF by VoyagerSoft (

Description: ExploreExtPDF.dll is not essential for Windows and will often cause problems. ExploreExtPDF.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 208,896 bytes (41% of all occurrences), 212,992 bytes and 4 more variants. 
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 259F616C-A300-44F5-B04A-ED001A26C85C. The program is not visible. There is no detailed description of this service. ExploreExtPDF.dll is not a Windows core file. It is able to change the behavior of, or monitor Internet Explorer. The process can be removed using the Control Panel's Add\Remove programs applet. Therefore the technical security rating is 49% dangerous, however you should also read the user reviews.

Uninstalling this variant: In case of problems with ExploreExtPDF.dll, you can also uninstall SolidConverterPDF from your computer using the Control Panel applet Uninstall a Program or get help from the software vendor Soliddocuments.

Recommended: Identify ExploreExtPDF.dll related errors

External information from Tony Klein:

Important: Some malware camouflages itself as ExploreExtPDF.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the ExploreExtPDF.dll process on your PC to see if it is a threat. If ExploreExt has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


User Comments

Don't know about EXPLOREEXTPDF.DLL. I did buy the product "Solid Converter PDF" which converts PDF files to .DOC files.
  Peter Henry  
"Solid Converter PDF" which converts PDF files to .DOC files
I tried to quarantine the file and Solid Converter wouldn't start. This file should be left as is if you want the program to work.
Solid Converter PDF
Does not get removed via Add/remove programs. Any other means to remove are blocked by "access denied."
  joe bosch  
Its come with the Solid Converter Pdf
this particular dll is a shell extension for solid pdf converter. this means it integrates solid pdf converter into the windows context menu(the menu that appears after you right click virtually anything). it is not dangerous.
  cable guy  

Summary: Average user rating of ExploreExtPDF.dll: based on 5 votes with 7 user comments. One user thinks ExploreExtPDF.dll is essential for Windows or an installed application. 4 users think it's neither essential nor dangerous. 2 users don't grade ExploreExtPDF.dll ("not sure about it").

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Best practices for resolving ExploreExtPDF issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active ExploreExtPDF process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the ExploreExtPDF.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

ExploreExtPDF.dll [all]