Question / Help Sudden change in performance

So I record csgo clips and make little edits. I have a core i7 2600k 16gb ram and a gtx 460. I would record at 1080p 60 fps with quick sync vbr in custom settings at 40mb/s and not have any issues. Today i was going to re record some of the scenes and i noticed that my game fps was fine but my obs fps was below 10 when i tab out and click on my obs it returned back to 60 while still recording the game being the game was choppy because i wasnt directly using it. this has never happened before. uninstall then reinstall obs same problem but now i cannot use quick sync in the 64 bit version because it said it cannot initialize a helper. and i cannot seem to fix fps problem any help is greatly appreciated
 
Please provide a log.

Also, if you are using OBS Classic, this version has not been in development for some time. It is strongly recommended that you update to OBS Studio. Links to download can be found at the Download link above. Further information on why you should update (and how) can be found here: https://obsproject.com/forum/threads/how-to-easily-switch-to-obs-studio.55820/
https://gist.github.com/083f5d9b558a872343f944ddf94aa63f

https://gist.github.com/dc47ad43110a98b5992b268318d33c63

classic was working a week ago perfectly
 
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