How to get rid of the sshnas21 VirusSometimes the sshnas21 file may cloak a virus, such as Symantec found Downloader, as well as Kaspersky found Trojan-Downloader.Win32.CodecPack.afdu. If your anti-virus software does not detect a virus, try using a supplementary free Anti-Malware scanner.
Other problems with sshnas21.dll
The sshnas21.dll process is also known as Windows Setup API or, as the case may be, SSHNAS (SSHNAS) and is a part of SSHNAS (SSHNAS) or, as the case may be, MSE Extrim (Version 2011 Edition). This software is produced by Opera Software (www.opera.com) or, as the case may be, Avira GmbH (www.avira.com). An obsolete or defective version of sshnas21.dll can cause problems for your computer that can range from slowness to error messages such as these:
- Windows Setup API has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- Windows Setup API 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)
- sshnas21.dll has encountered a problem and needs to close. (Windows XP)
- Access violation at address FFFFFFFF in module sshnas21.dll. Read of address 00000000.
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What you should know about sshnas21.dll Windows Setup API
sshnas21.dll is not a Windows system file and is known to frequently cause computer problems. The file sshnas21.dll is found in the C:\Windows\System32 directory.
Frequently occurring are file sizes such as 173,056 bytes (10% of all these files), 292,864 bytes as well as 16 other variants.
You can end this service, pause it, or restart it by going to System and Security/Administrative Tools/Services in Control Panel. The service does not run under your user account. The sshnas21 file is not part of the Windows operating system. This process does not appear as a visible window, but only in Task Manager. For this service - unlike Windows' own system services - there is no good description available. Sshnas21.dll is capable of log keyboard entries. For this reason, 45% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
Attention: If you find sshnas21.dll on your computer, please scan it with an anti-virus product. If your anti-virus software does not recognize it as being harmful, then please make sure that you have the latest update of the signature file, or check the file online. For this option, you may want to use Security Task Manager. Here, click on the process with the right mouse button and send the file to an online virus scanner.
What do other computer users say about sshnas21?
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 SSHNAS or MSE Extrim
To remove Windows Setup API 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 SSHNAS or MSE Extrim in the list of displayed applications.
- Click the program, and then click Uninstall.
How to tell if sshnas21.dll (Windows Setup API) 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 Windows Setup API. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for Windows Setup API 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 sshnas21.dll 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.