This is quite a mystery!
In the task manager, if you sort by cpu usage, what does it look like when fbn or mame is stuck loading slowly?
There's a debug program called Very Sleepy that might help, or it might at least tell us where it's hanging at the OS-level.
You'll need a special FBNeo debug exe with symbols, please use only this .exe for the test:
https://www.sendspace.com/file/cd34mfIf you want, you can rename it to the same name as previously-installed fbneo exe to use it's configuration file.
Grab Very Sleepy here:
http://www.codersnotes.com/sleepy/ & install it
it's a free & opensource profiler/debugger tool, the installer does not have any tricks or malware garbage.
Please start recording screen like you did previously
Start Very Sleepy
Start FBNeo
In the VS window, click Tools -> Refresh
Find fbneo exe in the list and click
once on it, you might have to expand the window a bit to fit all the stuff in the right-side window.
record here for a few seconds while it's stuck-slowly loading
Now, double click on fbneo in the list, it will open a little dialog that says "sampling", after it samples for 5 seconds, click the Stop button.
-- it will process some stuff for a little while, just wait until it's done -- If it gets stuck for more than 2 minutes, close the process and try again.
p.s. Also make sure it does this sampling while fbneo is stuck/slowly loading.
When it goes back to the sleepy program with a bunch of stuff in the list, maximize the window and record here for 20 seconds or so.
best regards,
- dink