How to eliminate iaStor driver problems
The iaStor.sys (Intel Matrix Storage Manager driver) file is a Windows driver. Generally, drivers allow Windows to operate internal components such as graphics cards and drives, as well as external devices like printers, backup media, or input devices.Click here to check whether your iaStor driver needs an update.
The iaStor.sys process is also known as Intel Matrix Storage Manager driver (Version x64) or, as the case may be, Intel Rapid Storage Technology driver (Version x64) and is a part of Intel Rapid Storage Technology driver or, as the case may be, Intel RAID Controller. This software is produced by Intel (www.intel.com). An outdated or faulty version of iaStor.sys can cause problems for your computer, ranging from slowness to error messages like these:
- Intel Matrix Storage Manager driver has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- Intel Matrix Storage Manager driver 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)
- iaStor.sys has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module iaStor.sys. Read of address 00000000.
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What you should know about iaStor.sys Intel Matrix Storage Manager driver
iaStor.sys is not part of Windows, but it is important nonetheless. IaStor.sys is found in the C:\Windows\System32\drivers directory.
Frequently occurring are file sizes such as 247,808 bytes (33% of all these files), 246,784 bytes or, as the case may be, 872,064 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.
The application does not appear as a visible window, but only in Task Manager. The file is no part of Microsoft Windows. IaStor.sys has been digitally signed by Microsoft itself to guarantee its authenticity. The service has no characteristics or description of its own. This is unusual.
iaStor.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, 9% 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 iaStor.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 iaStor?
| If you have RAID configuration do not remove file! (further information...) Roni | |
| This file was made by Intel to give Windows more access to the harddrive. It is a file that Dell machines will request upon an installation of windows xp. Otto | |
| iastor.sys is the intel matrix storage manager driver file. You may be able to start and stop it but once windows loads it's always running anyways if you have a HDD controller that needs it. (further information...) Mike | |
| Windows XP needs it so instal. Adam Ehrman Shapiro | |
| necessary file as it blocks windows from starting up when damaged Simmons |
Summary: 42 users consider iaStor.sys essential and should not be removed. 7 users consider it harmless. However, one user considers this to be a suspicious process and would like to get rid of it. For this reason, 5 users have already removed iaStor.sys. source: file.net
How to uninstall Intel Rapid Storage Technology driver or Intel RAID Controller
To remove Intel Matrix Storage Manager driver 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 Intel Rapid Storage Technology driver or Intel RAID Controller in the list of displayed applications.
- Click the program, and then click Uninstall.
How to check if iaStor.sys (Intel Matrix Storage Manager driver) 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 Intel Matrix Storage Manager driver. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: Intel Matrix Storage Manager driver 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 iaStor.sys 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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