How to eliminate KeyCrypt64 driver problems
The KeyCrypt64.sys (Zemana AntiLogger Free) 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 KeyCrypt64 driver needs an update.
The KeyCrypt64.sys process is also known as Zemana AntiLogger Free or, as the case may be, keycrypt and is a part of AntiLogger Free or, as the case may be, AntiLogger SDK. This software is produced by Zemana. An outdated or faulty version of KeyCrypt64.sys can cause problems for your computer, ranging from slowness to error messages like these:
- Zemana AntiLogger Free has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- Zemana AntiLogger Free 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)
- KeyCrypt64.sys has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module KeyCrypt64.sys. Read of address 00000000.
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What you should know about KeyCrypt64.sys Zemana AntiLogger Free
KeyCrypt64.sys is not part of Windows, but it is important nonetheless. KeyCrypt64.sys is found in no folder.
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.
There is no concrete documentation available for this service. This file does not come from Microsoft and is not part of the operating system. The program executes in the background, and can only be terminated using Windows Task Manager. Since the process runs as a keyboard driver, it can read anything that you type on the keyboard. KeyCrypt64.sys has a digital signature. This confirms that the producer has been registered with a certificate authority.
For this reason, 51% 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 KeyCrypt64.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 KeyCrypt64?
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 AntiLogger Free or AntiLogger SDK
To remove Zemana AntiLogger Free 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 AntiLogger Free or AntiLogger SDK in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if KeyCrypt64.sys (Zemana AntiLogger Free) 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 Zemana AntiLogger Free. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: Zemana AntiLogger Free 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 KeyCrypt64.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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