It is incredibly common for modern antivirus scanners (such as Windows Defender, Malwarebytes, or Bitdefender) to flag LGUserCSTool.exe or files inside the LGMOBILEAX directory as an active threat or a Trojan horse. This occurs due to several factors:

Because LG officially closed its global mobile phone business, these desktop utility suites have evolved into digital relics. Deleting the folder will not disrupt your Windows operating system. It will simply free up a small amount of storage space and clean up your directory structure. To permanently remove it: Press Windows Key + R to open the Run dialog box. Type C:\ProgramData and hit Enter. Locate the folder.

: Some tools expect the folder to be in C:\ProgramData\ , while others might look in C:\Program Files\ . Ensuring the files are in the ProgramData path is the standard fix for most flashing issues.

: Open your Windows Control Panel, go to Programs and Features , and uninstall "LG Mobile Support Tool", "LG PC Suite", and any "LG Mobile Drivers".