What does the sapisvr.exe file do?
The sapisvr.exe process is also known as SAPISVR (Version 5) and is a part of Microsoft Windows™ Operating System. This software is produced by Microsoft (www.microsoft.com). An obsolete or defective version of sapisvr.exe can cause problems for your computer that can range from slowness to error messages such as these:
- SAPISVR has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- SAPISVR has stopped working. A problem caused the program to stop working correctly. Windows will close the program and notify you if a solution is available. (Windows 10, 8, 7)
- sapisvr.exe has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module sapisvr.exe. Read of address 00000000.
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What you should know about sapisvr.exe SAPISVR
The original sapisvr.exe file is definitely a Windows system file, but many viruses use the same name in order to remain unnoticed. Sapisvr.exe is found in a subdirectory of "C:\Program Files\Public Documents" - normally C:\Program Files\Common Files\Microsoft Shared\Speech\.
The file size is 36,864 bytes.
The file is part of the Windows operating system found in C:\Windows\. This particular software does not have a visible window, and does not appear on the taskbar. This file contains Microsoft's digital signature. This confirms its authenticity.
For this reason, 6% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
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 sapisvr.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 sapisvr?
I was hit by this at the same time as a dozen other malware (something took down my firewall). It kept attempting to connect to the internet and run a Microsoft installer, in addition to taking almost 20MB of RAM when it boots. | |
this syware activates when ever you open a n microsoft program elshine | |
I know that it was using 98% of my space because I had accidentally clicked on the wrong item in the dropdown file menu. That turned on the voice recognition tool bar. My computer had slowed to a crawl but when I canceled the voice recognition the speed returned to normal. Barbara | |
i think it activates self writing program when trying to write in WORD, passwords in internet etc. Monty | |
I've disabled the speech recognition features in "Services" and the sapisvr.exe continues to launch 6-8X per day. I'm convinced the sapisvr.exe is removed from my computer and some malware continues to disguise itself and rewrites in several different recycler directories and other directories, e.g. prefetch, my programs, my documents. I have relentlessly tried to get rid of this it a nusance and a resource hog! Microsoft needs to step up and remedy this very vulnerable feature of XP SThompson. |
Summary: 5 users judge sapisvr.exe to be an essential file that should not be touched. However, 2 users consider this to be a suspicious process and would like to get rid of it. For this reason, one user has already deleted sapisvr.exe. source: file.net
How to uninstall Microsoft Windows™ Operating System

To remove SAPISVR from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. In Windows 8, look for Control Panel.
- Click Control Panel.
- Click Uninstall a program.
- Look for Microsoft Windows™ Operating System in the list of available programs.
- Click Uninstall.
How to tell if sapisvr.exe (SAPISVR) 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 SAPISVR. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for SAPISVR 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 sapisvr.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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