Same problem here too:
Process: Dugi Installer [26986]
Path: /Applications/DugiGuides_1.2.8.app/Contents/MacOS/Dugi Installer
Identifier: com.brevoort.Dugi-Installer
Version: ???
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: Dugi Installer [26986]
User ID: 501
Date/Time: 2019-08-14 13:44:55.190 -0400
OS Version: Mac OS X 10.14.6 (18G87)
Report Version: 12
Anonymous UUID: ***
Time Awake Since Boot: 260000 seconds
System Integrity Protection: enabled
Crashed Thread: 0
Exception Type: EXC_CRASH (Code Signature Invalid)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Termination Reason: Namespace CODESIGNING, Code 0x1