lvalarms.dll crash

Hi everybody

     I tried to find a solution for this problem .

When I use a Timeloop , the first time the VI work very well but the second time Labview crash.

This is the error message :

Description:

Stopped working

Problem signature:

Problem Event Name: APPCRASH

Application Name: LabVIEW.exe

Application Version: 12.0.1.4014

Application Timestamp: 522f27d1

Fault Module Name: lvalarms.dll

Fault Module Version: 5.0.0.49154

Fault Module Timestamp: 4fccee09

Exception Code: 80000003

Exception Offset: 00001779

OS Version: 6.1.7601.2.1.0.256.48

Locale ID: 1033

I tried to change the processor (Timeloop paramters ) but I got the same error

This is the VI that I used

Thank you for you help