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What does the splwow64.exe file do?

The splwow64.exe process is also known as Print driver host for applications or, as the case may be, Thunking Spooler APIS from (Version 32 to 64 Process) and is a part of Microsoft Windows Operating System. This software is produced by Microsoft (www.microsoft.com). An obsolete or defective version of splwow64.exe can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about splwow64.exe Print driver host

splwow64.exe is part of Windows. Splwow64.exe is found in the C:\Windows directory or sometimes in a subdirectory of C:\Windows. Frequently occurring are file sizes such as 67,072 bytes (35% of all these files), 128,512 bytes as well as 6 other variants.
This file is part of the operating system. This particular software does not appear as a visible window, but only in Task Manager. It has been digitally signed by Microsoft itself to guarantee its authenticity. For this reason, 5% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.

A splwow64.exe file has a 40% certainty of being dangerous if it is found in a subdirectory of "C:\Users\USERNAME". In this case, the file size is usually 3,385,344 bytes. It was developed by a so-called third party provider - and not by Microsoft. This splwow64 program does not have a visible window, and does not appear on the taskbar. Splwow64.exe is capable of Change the behavior of other applications.

If you see this file on your hard drive or in Windows Task Manager, please make sure that it is not a malicious variant. It's a fact that many trojans try to cloak their true identity by calling themselves splwow64.exe. With the above information or by using tools like Security Task Manager you can determine if, in your case, the file is an undesirable variant.

What do other computer users say about splwow64?

Splwow64.exe with description Thunking Spooler APIS from 32 to 64 Process is a process file from Microsoft belonging to Windows Operating System.
Printer driver host for 32 bit applications. Allows 32-bit applications to connect with the 64-bit spooler service on x64 Windows builds.
Causes Sybase PowerDesigner V16 to hang with "Not Responding" because pdshell16.exe is waiting for reply from splwow64.exe even though printing is not involved.
Ted Saari

Summary: 6 users judge splwow64.exe to be an essential file that should not be touched. One user considers it harmless. However, one user considers this to be a suspicious process and would like to get rid of it. source: file.net

How to uninstall the program

To remove Print driver host from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate the program in the list of displayed applications.
  5. Click the program, and then click Uninstall.
Remove software in Windows 10
splwow64.exe Print driver host fix

How to tell if splwow64.exe (Print driver host) was uninstalled cleanly

After uninstalling, restart your computer. Then start Windows Explorer and see if there is still a folder with the name of the software under C:\Program Files. Be sure to check the Registry as well for remnants of Print driver host. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Print driver host or the name of the producer. Always keep in mind that only a computer professional should ever directly delete entries in the Windows Registry.

What to do if a program does not uninstall

The easiest way to remove any kind of software cleanly and accurately is to use an uninstaller tool. Because the uninstaller automatically creates a backup, there is no risk of anything going wrong.

Last but not least

If Windows not working quite right for you, or if startup is taking a long time, or splwow64.exe is causing problems for you, a good Windows diagnostic tool may very well help. This is especially effective when it comes to older computers that have accumulated vast quantities of "garbage data" as the result of many software installs and uninstalls.

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