What is l1rezerv.exe file ?

Most antivirus programs identify l1rezerv.exe as malware—for example Microsoft identifies it as Trojan:Win32/Sisron, and Symantec identifies it as Trojan.FakeAV.

Follow steps bellow to try fix the problem with l1rezerv.exe

1. Use cleanmgr

To run the command cleanmgr :
Press Windows key + Q.
Enter cmd in search box , followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command cleanmgr and press Enter.

2. Use sfc /scannow

To run the command sfc /scannow :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command sfc /scannow and press Enter.

3. uninstalling programs :

To uninstall unnecessary programs :
Open the Start menu (Press Windows key + X) .
Click the first menu item Programs and Features.
Search unnecessary programs in the list of installed programs, .
Click the software you want to uninstall.

4. using msconfig

To run the command msconfig :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command msconfig and press Enter.

5. Automatic Update

To run the command wuauclt /ShowWindowsUpdate:
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command wuauclt /ShowWindowsUpdate and press Enter.

6. Use resmon command

To run the command resmon :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command resmon and press Enter.

7. use DISM.exe

To run the command DISM.exe /Online /Cleanup-image /Restorehealth :
Press Windows key + Q.
Enter cmd in search box, followed by the combination Ctrl + Shift + Enter to run it as Administrator.
Enter the command DISM.exe /Online /Cleanup-image /Restorehealth and press Enter.

l1rezerv.exe descriptions

L1rezerv.exe is not essential for Windows and will often cause problems. L1rezerv.exe is located in the C:Windows folder.;The file size on Windows 10/8/7/XP is 232,960 bytes.;There is no information about the author of the file. The file is an unknown file in the Windows folder. The program has no visible window. The program starts when Windows starts (see Registry key: MACHINERun).;The l1rezerv.exe file is not a Windows core file.;L1rezerv.exe is able to connect to the Internet, record keyboard and mouse inputs and monitor applications.;Therefore the technical security rating is 83% dangerous.