Help with computer parts and stuff

So Ive been using Ableton for a while and I never had a problem with it and today I just keep getting cpu overloads and stuff.
Ive done stuff like this before and I never had a problem.
Some other programs are lagging as well

Specs
AMD Athlon II x3 450
4gb ram
Radeon HD5670 (pretty sure this doesnt really matter)

is it ok to mix ram? like 2 different companies?
1 answer Last reply
More about help computer parts stuff
  1. Not usually due ti incompatible settings. The system will try to use the lowest speed to run them both but as you see it might not work right.
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