I recommend you UnHackMe - Ultimate Malware Killer for fast malware removal:
Free Download Fully Functional 30-day Trial. No credit card is required.
Reviews. EULA. Privacy Policy. Uninstall.
The file LO0Cvel21.dll is malware related.
You must delete the file LO0Cvel21.dll immediately!
Kill the file LO0Cvel21.dll and remove LO0Cvel21.dll from Windows startup.