How to eliminate amp driver problemsThe amp.sys (AMP Minifilter) file is a Windows driver. Generally, drivers are used by Windows to enable internal components like graphic cards and drives, or external devices, such as printers, backup media or input devices.
Click here to check if you need to update your amp driver.
The amp.sys process is also known as AMP Minifilter and is a part of Active Malware Protection Minifilter Driver or, as the case may be, CYREN AMP (Version 5). This software is produced by CYREN or, as the case may be, Commtouch. An obsolete or defective version of amp.sys can cause problems for your computer that can range from slowness to error messages such as these:
- AMP Minifilter has stopped working. Windows is checking for a solution to the problem... (Windows 10, 8, 7)
- AMP Minifilter 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)
- amp.sys has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module amp.sys. Read of address 00000000.
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What you should know about amp.sys AMP Minifilter
amp.sys is not part of Windows, but it is important nonetheless. Amp.sys is found in the C:\Windows\System32\drivers directory.
The file size is 139,528 bytes.
If necessary, you can manually stop or start this driver in the Device Manager. The Device Manager can be found in Windows Control Panel under Hardware and Sound/Devices and Printers/Device Manager. The driver facilitates access to your computer's hardware and accessories. It is unusual for the service not to provide any indication of how and why it is required. It does not come from Microsoft and is not part of the operating system. You can use Windows Control Panel (Programs icon) to completely remove the software. This amp program does not appear as a visible window, but only in Task Manager. Amp.sys contains a digital signature from Verisign, a subsidiary of Symantec. Verisign thereby confirms this file's authenticity and integrity. The producer of the file is registered with a certificate authority. This confirms the genuineness of the file. amp.sys appears to be a file that was compressed by an EXE-Packer. This technique is often used by trojans to keep the file size small and also hamper debugging efforts. However, this in itself is not sufficient reason to presume malicious intent, since even well-intentioned, professional software producers take advantage of compressed files. For this reason, 6% 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 amp.sys. 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 amp?
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 Active Malware Protection Minifilter Driver or CYREN AMP
To remove AMP Minifilter 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 Active Malware Protection Minifilter Driver or CYREN AMP in the list of displayed applications.
- Click the program, and then click Uninstall.
How to tell if amp.sys (AMP Minifilter) 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 AMP Minifilter. To do this, start "Regedit", then look under "HKEY_LOCAL_MACHINE" > "Software" for AMP Minifilter 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 amp.sys 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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