How to get rid of the appsetup Virus
Sometimes the appsetup file may hide a virus (, such as Kaspersky found HEUR:Trojan-Downloader.Win64.Agent.gen, as well as Microsoft found Trojan:Win32/Vigorf.A). If your antivirus software does not detect a virus, try using an additional free antivirus program.Other problems with appsetup.exe
The appsetup.exe process is also known as INSTALL and is a part of unknown. This software is produced by Heidi Computers (www.heidi.ie). An outdated or faulty version of appsetup.exe can cause problems for your computer, ranging from slowness to error messages like these:
- INSTALL has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- INSTALL 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 11, 10, 7)
- appsetup.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module appsetup.exe. Read of address 00000000.
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What you should know about appsetup.exe INSTALL
appsetup.exe is not a Windows system file and is known to frequently cause computer problems. Appsetup.exe is found in a subdirectory of C:\Windows or sometimes in a subdirectory of "C:\Program Files".
The file size is 13,179,660 bytes.
This file was developed by a so-called third party provider - and not by Microsoft. This particular software does not appear as a visible window, but only in Task Manager. Appsetup.exe does not supply any version information or other description. The original file has a digital certificate (see its file properties). This particular software can initiate a network connection--either to the Internet or on your LAN.
Appsetup.exe is capable of monitor other applications.
For this reason, 62% of all experts consider this file to be a possible threat. The probability that it can cause harm is high.
Attention: If you find appsetup.exe 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 appsetup?
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 unknown
To remove INSTALL from your computer, please follow the manual instructions below.
- Click the Windows Start Button. You can find it in the lower-left corner of the taskbar.
- Type 'uninstall'.
- Click Add or remove programs.
- Now locate unknown in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if appsetup.exe (INSTALL) was uninstalled completely
After uninstalling, restart your computer. Then open Windows Explorer and check if a folder with the software name still exists under C:\Program Files. Also, check the Registry for remnants of INSTALL. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: INSTALL or the name of the producer. Keep in mind that only a computer professional should delete entries in the Windows Registry directly.
Last but not least
If Windows is not working properly, startup is slow, or appsetup.exe is causing problems, a good Windows diagnostic tool may 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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