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What does the ISRService.exe file do?

The ISRService.exe process is also known as InstantRescue Service or, as the case may be, FirstDefense-ISR Service and is a part of ISRService or, as the case may be, FirstDefense-ISR. This software is produced by Leapfrog Software or, as the case may be, Raxco Software (www.raxco.com). An obsolete or defective version of ISRService.exe can cause problems for your computer that can range from slowness to error messages such as these:

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What you should know about ISRService.exe InstantRescue service

ISRService.exe is not part of Windows, but it is important nonetheless. The file ISRService.exe is found in no folder. The file size is 0 bytes.
This process hides the ISRService file from Windows Explorer and anti-virus software. The program executes in the background, and can only be terminated using Windows Task Manager. The file is no part of Microsoft Windows. File properties have not been internally documented by the producer or developer. For this reason, 94% 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 ISRService.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 ISRService?

System recovery program (further information...)
The best and fastest System recovery program for everyday use. (Raxco).

Summary: 2 users judge ISRService.exe to be an essential file that should not be touched. source: file.net

How to uninstall ISRService or FirstDefense-ISR

To remove InstantRescue service from your computer, please follow the manual instructions below or use an automatic uninstaller product.

  1. Click the Windows Start Button. You find it in the lower left corner of the taskbar.
  2. Type the word uninstall.
  3. Click Add or remove programs.
  4. Now locate ISRService or FirstDefense-ISR in the list of displayed applications.
  5. Click the program, and then click Uninstall.
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ISRService.exe InstantRescue service fix

How to tell if ISRService.exe (InstantRescue 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 InstantRescue service. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for InstantRescue 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 ISRService.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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