In order to fix that, please do the following:
- Press Windows key + R
- Type in "sysdm.cpl" - a window with the name of your PC should then pop up
- Go to the "Advanced" tab
- Look for "Performance" and click on “Settings”
- Go to the "Advanced" tab
- Look for "Virtual memory" and click “Change”
- Untick “Automatically manage paging file size for all drives” and increase the amount of virtual memory (to at least 7000MB or more), depending on which drive you installed Steam or Not for broadcast.