What does the putty.exe file do?
The putty.exe process is also known as SSH, Telnet and Rlogin client and is a part of PuTTY suite. This software is produced by Simon Tatham (www.chiark.greenend.org.uk/~sgtatham). An obsolete or defective version of putty.exe can cause problems for your computer that can range from slowness to error messages such as these:
- SSH, Telnet and Rlogin client has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- SSH, Telnet and Rlogin client 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)
- putty.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module putty.exe. Read of address 00000000.
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What you should know about putty.exe SSH, Telnet and Rlogin client
putty.exe is not part of Windows, but it is important nonetheless. The file putty.exe is found in a subdirectory of "C:\Users\USERNAME".
Frequently occurring are file sizes such as 495,616 bytes (40% of all these files), 828,400 bytes, 421,888 bytes or, as the case may be, 483,328 bytes.
The file does not come from Microsoft and is not part of the operating system. This process does not appear as a visible window, but only in Task Manager.
For this reason, 62% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
A putty.exe file has a 44% certainty of being dangerous if it is found in a subdirectory of "C:\Program Files". In this case, the file size is usually 454,656 bytes (50% of all these files) or, as the case may be, 524,288 bytes. Putty.exe was developed by a so-called third party provider - and not by Microsoft.
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 putty.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 putty?
| SSH Client | |
| Its ssh program to communicate from Windows to Linux Simon Priscilla | |
| great SSH/Telnet Client (further information...) Oliver Henning | |
| terminal client for secure tunneling and terminal control (further information...) Dynom | |
| It's a telnet/Ssh program (further information...) Gerdazech |
Summary: 14 users judge putty.exe to be an essential file that should not be touched. For this reason, one user has already deleted putty.exe. source: file.net
How to uninstall PuTTY suite
To remove SSH, Telnet and Rlogin client 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 PuTTY suite in the list of displayed applications.
- Click the program, and then click Uninstall.
How to tell if putty.exe (SSH, Telnet and Rlogin client) 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 SSH, Telnet and Rlogin client. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for SSH, Telnet and Rlogin client 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 putty.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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