How to remove an tnslsnr80 error
The free file information forum can help you determine if tnslsnr80.exe is a virus, trojan, spyware, or adware that you can remove, or a file belonging to a Windows system or an application you can trust.
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Tnslsnr80.exe file information
The process belongs to software OracleTNSListener80 by unknown.
Description: tnslsnr80.exe is located in a subfolder of "C:\Program Files".
Known file sizes on Windows 7/XP are 91,648 bytes (50% of all occurrences), 124,928 bytes or 126,464 bytes. 
The application has no file description. The program is not visible. Tnslsnr80.exe is not a Windows core file. Program uses ports to connect to a LAN or the Internet.
Therefore the technical security rating is 76% dangerous, however also read the users reviews.
Recommended: Identify tnslsnr80.exe related errors
Important: Some malware camouflages itself as tnslsnr80.exe, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the tnslsnr80.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.
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Tnslsnr80 scanner
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Frank