What does the mscorsv.exe file do?
The mscorsv.exe process is also known as .NET Runtime Optimization Service or, as the case may be, CLI and is a part of Microsoft .NET Framework or, as the case may be, PHP. This software is produced by Microsoft (www.microsoft.com) or, as the case may be, The PHP Group. An obsolete or defective version of mscorsv.exe can cause problems for your computer that can range from slowness to error messages such as these:
- .NET Runtime Optimization service has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- .NET Runtime Optimization service 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)
- mscorsv.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module mscorsv.exe. Read of address 00000000.
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What you should know about mscorsv.exe .NET Runtime Optimization service
mscorsv.exe is not part of Windows, but it is important nonetheless. Mscorsv.exe is found in a subdirectory of C:\Windows.
Frequently occurring are file sizes such as 20,992 bytes (71% of all these files), 1,019,904 bytes or, as the case may be, 23,040 bytes.
It can be found in the Windows folder; however, it is not a Windows system file. This particular software does not appear as a visible window, but only in Task Manager. It is no part of Microsoft Windows. This mscorsv.exe process is connected to a server on the Internet or in your local network. Mscorsv.exe is capable of monitor other applications. For this reason, 66% 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 mscorsv.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 mscorsv?
The file spreads very slowly and does not often make an appearance. Therefore, feedback from other users is not yet available.
Summary: source: file.net
How to uninstall Microsoft .NET Framework or PHP
To remove .NET Runtime Optimization service from your computer, please follow the manual instructions below or use an automatic uninstaller product.
- Click the Windows Start Button. You find it in the lower left corner of the taskbar.
- Type the word uninstall.
- Click Add or remove programs.
- Now locate Microsoft .NET Framework or PHP in the list of displayed applications.
- Click the program, and then click Uninstall.
How to tell if mscorsv.exe (.NET Runtime Optimization service) 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 .NET Runtime Optimization service. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for .NET Runtime Optimization service 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 mscorsv.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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