I got a malware in lol.launcher.exe . i can no longer run the pbe due to this... i know it's a false positive.. Causes of lol.launcher.exe errors. lol.launcher.exe problems can be attributed to corrupt or missing files, invalid registry entries associated with lol.launcher.exe, or a virus / malware infection.. more specifically, these lol.launcher.exe errors can be caused by:. Reason core security anti-malware scan for the file lol.launcher.admin.exe (sha-1 0e001761b7960f0b80e05b184ee3b2665ad3f353). reason core security has detected the.