After receiving the notice about Draftsight 2017 SP1, I downloaded and ran the update.

Now Draftsight crashes when run.

The program starts, asks to activate, and I can fill in all the details. A few seconds after the activate dialog disappears, the program crashes.

Contents of crash report:

Problem signature:  

Problem Event Name:    APPCRASH  

Application Name:    DraftSight.exe  

Application Version:    17.1.0.12557  

Application Timestamp:    58ac068d  

Fault Module Name:    DraftSight.exe  

Fault Module Version:    17.1.0.12557  

Fault Module Timestamp:    58ac068d  

Exception Code:    c0000005  

Exception Offset:    000000000002adb7  

OS Version:    6.3.9600.2.0.0.256.48  

Locale ID:    7177  

Additional Information 1:    e65c  

Additional Information 2:    e65ce472978bb891bfdb7c20dc0c738c  

Additional Information 3:    f1a2  

Additional Information 4:    f1a2c6c521376919fa887c44289f7526