Vegas random high CPU usage spikes.

[PCTechNoob]

So I've been using Sony Vegas / Vegas for quite a while now and really like it. It does everything I need it too and it works great. However seemingly randomly my CPU will just up to 80 - 90% while editing (In task manager I can see that it's Vegas that's causing the issue). This makes the program laggy, unresponsive and pretty much impossible to use. I just end up having to sit there for a couple of minuets until the CPU usage comes down back to it's normal 10 - 20%. I thought the issue was occurring when I saved the project, but after testing I don't think this is the case. I can throw the timeline around and save it tens of times in the space of a few seconds and the program holds it's own, but then later during standard editing random spikes occur. I have changed all the settings I can find and reinstalled it multiple times and nothing has worked. Also RAM and drive usage stays normal during these spikes so I don't think it's them that's causing the issue. And all other programs work fine.

Any help appreciated, thanks.

[iRileyx]

Does it happen when scrolling on a timeline or adding any effects?

 

What cpu by the way?

[PCTechNoob]

6 minutes ago, RKRiley said:

Does it happen when scrolling on a timeline or adding any effects?

 

What cpu by the way?

It seemingly happens randomly. Sometimes I'm scrolling and nothing happens, others the spike will occur.

My CPU is the i7 6700k running at stock also.