We already know that you can read - now it’s high time you learn how to search and ask questions in more appropriate threads. You asked your question in a topic about deleting the rollingcache file. If you had put in a bit of effort, you would’ve found a more suitable thread.
Please hover your mouse cursor over the field with Rolling Cache value and click after the last digit.
Then, press Backspace key
and enter the new value for the Rolling Cache file (without dot)
press Enter
Source https://forums.flightsimulator.com/t/unable-to-increase-rolling-cache/705656/6