Well, from what you say
After the uninstall I found that I had defective VideoCruise files and I uninstalled that as well.
I see it’s a Unifab product, which has some connection to DVDFAB, so you wonder why it would interfere.
But at the same time we all know they do little testing.
Freezing can be many things and hard to locate the cause. If SF were to crash, then you could check the PC crash logs.
I have not seen SF freeze in using it, but it may depend on provider and if it’s 1080p or 4K, you’re downloading.
No more info supplied by op, so locked.