TimerOne in interrupts

Hello,
In my project, I am using timerone library to implement a interrupt on timer overflow. But I am setting my timer interval in external interrupt, so when external interrupt occurs, I start timer. And then I want to stop timer in interrupt, which was called because of timer overflow, but it seems that it is impossible, because timer doesn't stop. Can anyone help me with that?

bmandl:
Can anyone help me with that?

If you can show the problem code the probably someone can help. It's hard to diagnose code that we can't see.