What does the mainserv.exe file do?
The mainserv.exe process is also known as Battery Backup Management Service and is a part of PowerChute Personal Edition. This software is produced by Schneider Electric (www.schneider-electric.com) or, as the case may be, American Power Conversion (www.apcc.com). An outdated or faulty version of mainserv.exe can cause problems for your computer, ranging from slowness to error messages like these:
- Battery Backup Management service has stopped working. Windows is checking for a solution to the problem... (Windows 11, 10, 7)
- Battery Backup Management service 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)
- mainserv.exe has encountered a problem and needs to close.
- Access violation at address FFFFFFFF in module mainserv.exe. Read of address 00000000.
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What you should know about mainserv.exe Battery Backup Management service
mainserv.exe is not part of Windows, but it is important nonetheless. Mainserv.exe is found in a subdirectory of "C:\Program Files".
Frequently occurring are file sizes such as 705,912 bytes (58% of all these files), 176,193 bytes, 689,408 bytes or, as the case may be, 176,241 bytes.
It is the service "APC UPS".
This particular software does not appear as a visible window, but only in Task Manager. The file was developed by a so-called third party provider - and not by Microsoft. The producer of the file is registered with a certificate authority. This confirms the genuineness of the file.
Mainserv.exe is capable of hides its presence from system tools, supervise programs as well as log keyboard entries.
For this reason, 32% 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 mainserv.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 mainserv?
APC UPS Control PBall3485 | |
From APC to manage APCs Alex | |
After installing APC PowerChute P/E software, task manager showed mainserv.exe using 99% of my system resources! I removed the APC program & just left the hardware in use. Zion Lutheran Church/Judy Killmer, Contact | |
APC USV Jelinek | |
Came with APC UPS. Was causing interrupts to lock, in other words my controls were sticking while playing games. Dan |
Summary: 8 users consider mainserv.exe essential and should not be removed. However, one user considers this to be a suspicious process and would like to get rid of it. source: file.net
How to uninstall PowerChute Personal Edition
To remove Battery Backup Management service 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 PowerChute Personal Edition in the list of displayed applications.
- Click the program, and then click Uninstall.


How to check if mainserv.exe (Battery Backup Management service) 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 Battery Backup Management service. To do this, start Regedit, then look under HKEY_LOCAL_MACHINE > Software for: Battery Backup Management service 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 mainserv.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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