What does the essvr.exe file do?
The essvr.exe process is also known as and is a part of at BIOS or, as the case may be, Face_Wizard B. This software is produced by Giga-Byte Technology (www.gigabyte.com) or, as the case may be, GIGABYTE UNITED INC (www.gigabyte.com). An outdated or faulty version of essvr.exe can cause problems for your computer, ranging from slowness to error messages like these:
- at BIOS has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- at BIOS 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)
- essvr.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module essvr.exe. Read of address 00000000.
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What you should know about essvr.exe at BIOS
essvr.exe is not part of Windows, but it is important nonetheless. Essvr.exe is found in a subdirectory of "C:\Program Files".
Frequently occurring are file sizes such as 68,136 bytes (96% of all these files) or, as the case may be, 80,392 bytes.
The producer of the file is registered with a certificate authority. This confirms the genuineness of the file. This file is no part of Microsoft Windows. The application does not appear as a visible window, but only in Task Manager. This file contains no information about the producer or the version. The original file is digitally signed. Check your file.
For this reason, 30% 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 essvr.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 essvr?
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 at BIOS or Face_Wizard B
To remove at BIOS 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 at BIOS or Face_Wizard B in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if essvr.exe (at BIOS) 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 at BIOS. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: at BIOS 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 essvr.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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