EDIT: freeze fixed (after 25 minutes of testing).
The freeze is not (likely) a time based issue, it's rather a freeze after connect when there are popular parted files (in temp).
To make sure issue resolved test should be :
1. Old exe - freeze, kill mod
2. Just to be sure again old exe - freeze, kill mod
3. switch to new exe - no freeze
I'm not sure that after no freeze, old exe will freeze - however this is a tricky scenario (likely to result from race condition due to very fast sources handling with 1.5 ...