Audio Spikes (pops) while scrubbing.

I work for Adventist Frontier Missions, which owns a CC subscription. I recently updated Premiere Pro CC to Premiere Pro CC (2014) and so far have not had nearly as many issues as some others. Yesterday we recorded some voiceovers, I brought them into my timeline along with some footage, edited it all and adjusted the audio levels. No problems at all. I saved out the project at the end of the day, shut down the Mac Pro, and went home. I returned today and resumed working on the project. As I started scrubbing through the timeline I got this horrendous pop in my speakers far above 0 db, and saw the spike in the level monitor in Premiere... I had this happen a few times before in the past. Usually restarting the computer and/or premiere fixes it, but not this time.
I am running OS X Mavericks on a Early 2009 Mac Pro. The GPU was upgraded to a GeForce 680 Mac Edition.
I cannot continue doing any audio related work without terrorizing my co-workers and / or risk damaging our monitors. Any help would be much appreciated.
I can provide more information upon request.
- Alexander Swensen

I found a solution to this problem, however I am not sure what exactly I did to fix it. I am not 100% sure i have fixed it yet, even now, but the problem seems to have disappeared today.
I mainly did two things that I believe helped to fix the problem. The first was to delete the entire cache folder, both the previews, the database, the files, everything Adobe Premiere uses as it's Media Cache files. I manually deleted those, forcing all my clips to be re-analyzed, conformed, etc. This was a small price to pay, and that process was done in an hour or two.
The second thing I did was to create a new sequence and copy everything from the problematic sequence into that. (on a fresh copy right after reboot from clearing the cache) The problem seems to have gone away for now, and I am guessing it was a bug with the sequence itself.
My project is still just fine, so I am happy about that.
Here is my theory for why this problem occurred.
First, the project was originally started in Premiere Pro CC. That version of adobe was also updated several times since the project was started. I then moved the project into Premiere Pro CC (2014), and I am guessing somewhere in there the process of updating the project to (2014) there were some things that got corrupted in the sequence I was working in at that time. There may be other things that haven't shown up yet as well as a result of that, but I am not totally sure. It may also have just been a random bug that got fixed this way.
I hope this helps someone else.
- Alexander Swensen

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