FAQ 002455 EN-US 02/20/2019

Frank Faulstich General

Crash in npacr_64.dll or npggNT64.dll


The crash has occurred in the npacr_64.dll or npggNT64.dll. These DLLs are part of nProtect security software.

The problem can probably be resolved by excluding the following three folders from real-time monitoring of antivirus software:

The program folder of RFEM / RSTAB:
C: \ Program Files \ Dlubal \ RFEM 5.xx
C: \ Program Files \ Dlubal \ RSTAB 8.xx

The data folder:
C: \ Program Data \ Dlubal

The folder for the temporary data: See picture 1.


Crash npacr_64.dll npggNT64.dll

Contact us

Contact Dlubal Software

Did you find your question?
If not, contact us via our free e-mail, chat, or forum support, or send us your question via the online form.

(267) 702-2815