It happens sometimes

It happens sometimes:
Dism load 4 gb of RAM.
Dism uses 100% of CPU.
The TEMP_install.wim is with size 0 bytes
This happens exactly at the moment that will create the iso.
E:\Toolkit\Winreducerex81_x64\WORK\EXTRACT\Dvd_w8_x64\sources\TEMP_install.wim

Thanks for the attention.