logos 8 won't index, keeps crashing

For some reason Logos 8 won't index and whenever it tries it crashes. Here's the log:

Problem signature:
Problem Event Name: CLR20r3
Problem Signature 01: Logos.exe
Problem Signature 02: 8.6.0.52
Problem Signature 03: 5d23878a
Problem Signature 04: mscorlib
Problem Signature 05: 4.7.3416.0
Problem Signature 06: 5cabfaa3
Problem Signature 07: 1688
Problem Signature 08: 1d8
Problem Signature 09: System.IO.IOException
OS Version: 6.1.7601.2.1.0.768.3
Locale ID: 1033
Additional Information 1: 133b
Additional Information 2: 133b069c5de724eebc12395e7475b086
Additional Information 3: b0cc
Additional Information 4: b0cc3f790e8c15790c6d473ccf5d5a23

Read our privacy statement online:
http://go.microsoft.com/fwlink/?linkid=104288&clcid=0x0409

If the online privacy statement is not available, please read our privacy statement offline:
C:\windows\system32\en-US\erofflps.txt