What does the issch.exe file do?
The issch.exe process is also known as InstallShield Update Service Scheduler or, as the case may be, Macrovision FLEXnet Connect Scheduler and is a part of InstallShield Update Service or, as the case may be, Macrovision FLEXnet Connect. This software is produced by InstallShield Software (www.installshield.com) or, as the case may be, Macrovision (www.macrovision.com). An obsolete or defective version of issch.exe can cause problems for your computer that can range from slowness to error messages such as these:
- InstallShield Update service Scheduler has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- InstallShield Update service Scheduler 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)
- issch.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module issch.exe. Read of address 00000000.
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What you should know about issch.exe InstallShield Update service Scheduler
issch.exe is not part of Windows, but it is important nonetheless. Issch.exe is found in a subdirectory of "C:\Program Files\Public Documents".
Frequently occurring are file sizes such as 81,920 bytes (84% of all these files), 69,632 bytes, 86,960 bytes or, as the case may be, 79,136 bytes.
The issch file is no part of Microsoft Windows. Windows starts the process each time that the computer boots up (Registry: MACHINE\Run, Run).
This issch.exe process does not have a visible window, and does not appear on the taskbar.
For this reason, 42% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
- A issch.exe file has a 84% certainty of being dangerous if it is found in a subdirectory of "C:\Users\USERNAME". In this case, the file size is usually 1,316,352 bytes (66% of all these files), 804,352 bytes or, as the case may be, 1,176,576 bytes. The program executes in the background, and can only be terminated using Windows Task Manager. The file is no part of Microsoft Windows. The application is receiving or sending data on the LAN (your local network) or on the Internet.
- A issch.exe file has a 84% certainty of being dangerous if it is found in a subdirectory of "C:\Program Files". In this case, the file size is usually 804,864 bytes. Issch.exe is no part of Microsoft Windows. This particular software is receiving or sending data on the LAN (your local network) or on the Internet. The program executes in the background, and can only be terminated using Windows Task Manager.
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 issch.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 issch?
This is a SPAM prevention application, which is very effective and uses very few resources. It costs $40 to register it. It is the most effective spam preventer I've tried. Craig | |
Install Shield Software vampire | |
This can be a multitude of applications, and can range from harmless applications such as a Microsoft update, to the point where malware applications are included. | |
It's NOT a SPAM prevention application ! It's the updates watcher from PAINT SHOP PRO. It may be disabled if you check for updates manually. ppf | |
spam from search assistant!! see the link form the guy above, its called a "safety bar". undetected by latest virusscan asap Henrique de Sousa |
Summary: 30 users judge issch.exe to be an essential file that should not be touched. 3 users consider it harmless. However, 2 users consider this to be a suspicious process and would like to get rid of it. For this reason, 4 users have already deleted issch.exe. source: file.net
How to uninstall InstallShield Update Service or Macrovision FLEXnet Connect
To remove InstallShield Update service Scheduler 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 InstallShield Update Service or Macrovision FLEXnet Connect in the list of displayed applications.
- Click the program, and then click Uninstall.


How to tell if issch.exe (InstallShield Update service Scheduler) 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 InstallShield Update service Scheduler. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for InstallShield Update service Scheduler 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 issch.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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