Performance Tweaks for Banished that Work!

When recording Chapter 6 of my Very Harsh Farming series I had noticed some lag in performance, though not that serious. This became very evident when attempting to record the next episode for the Water World series. Even though the speed was set to 10x, citizens were walking around in slow-motion as if the speed was 1x. Scrolling actions around the map, even when the game was paused, had slowed down to a crawl. I found this to be quite odd as performance issues should not have become evident (from past experience) until the population base was around 500.
As a remedy, the first thing I tried was to make the changes to Banished's video settings suggested by others. No improvement. While doing those, however, Windows Task Manager was open in the background showing the Performance tab so as to monitor CPU usage, etc. When the Banished game was loaded, there was an obvious increase usage of resources. Maybe increasing the priority level for Banished would help?
It has been a while since I've had to do that, but found a very well written tutorial on the subject here (keep in mind I'm running Windows 10). Bumping the priority level for Banished up one notch (above normal) worked wonderfully! Citizens were once again running about like busy little bees at 10x. In my first attempt at recording Chapter 12 for Water World, however, another issue quickly became evident. OBS (capture software in use) was not, only a black screen.
This was a real puzzler as changing the priority level for Banished shouldn't have any effect on OBS, other than a possible frame rate drop. Tweaking settings around within OBS, and even adjusting its priority level to match Banished, didn't fix things. A removal & re-install of OBS did! Everything was working just fine again, although the priority level for Banished had to be adjusted whenever it was loaded. There may be a permanent way to set that in the Windows setting, but I'm not sure how at this time. If anyone does know how, please do let me know!

UPDATE!!!! I've been a bit under the weather of late, while spending a lot of time playing with the MEGA mod for Banished. When doing so, many of my games were exhibiting odd crashes & behaviors much like the strange performance issue detected with Banished. In searching around for post on Steam's forums for these various games I came upon this one, which I'm sure by now is appearing elsewhere in similar form:
https://steamcommunity.com/app/200510/discussions/0/353915953248830432/
Having already tried a removal and reinstall of XCom: Enemy Unknown (without improvement), the idea of removing the Steam client itself seemed the next idea. Not that the Steam error mentioned had ever shown up, but it was worth a try. Yes, it was highly annoying to have to re-install all of my Steam games including Banished; but it has done the trick! All of my games, including Banished, are all running great (that I've tested thus far)! Posting here for the benefit of my subscribers on YouTube who may be running into those same oddball issues through Steam.