Balsamiq Community Discussion

[Bug] Selecting uses a lot of CPU


Hi there,

In the last version of B3 (3.0.7), when starting a selection (mouse down + moving), the upper menu is flickering like there is a rave or something in my PC :smile:

Looking at the CPU Usage, it goes from 3% to an astonishing 42% (I have a Xeon E5 3Ghz) while selecting.

Balsamiq Mockups
Version: 3.0.7 - 04/03/2015 12:02
Flash Player Version: WIN 17,0,0,128


Hi @sgiroux, can you please try 3.0.8, which we just released? I bet it will help with this issue:


Hi @peldi,

It does fix the flickering issue, however it still uses a lot of cpu.

Two things I’ve noticed:

  • When I mouse over my mockup, it can go up tp 25% cpu usage;
  • When I select items (using Alt + Mouse), it can go up to 60% cpu usage.

Good thing I have a good PC, the application is still responsive. However, I don’t know what experience do other users have with slower PC’s.