ACR12.5.7641 application error in ams_web_service.exe

Hi,

ACR12.5 installed on 2012r2. Launching the console shows username and password screen. However signing-in fails with a blank screen.

There are events in event log:

Faulting application name: ams_web_service.exe, version: 12.5.1.7641, time stamp: 0x5984d27b

Faulting module name: python35.dll, version: 3.5.2150.67, time stamp: 0x591c3be9

Exception code: 0xc00000fd

Fault offset: 0x000000000002b585

Faulting process id: 0xc8c

Faulting application start time: 0x01d3166b2fbf144c

Faulting application path: C:\Program Files\Acronis\WebServer\ams_web_service.exe

Faulting module path: C:\Program Files\Acronis\PyShell\python35.dll

Report Id: f3da905c-8260-11e7-80b9-00155d011e1b

Faulting package full name:

Faulting package-relative application ID:

and

Fault bucket , type 0

Event Name: APPCRASH

Response: Not available

Cab Id: 0

Problem signature:

P1: ams_web_service.exe

P2: 12.5.1.7641

P3: 5984d27b

P4: python35.dll

P5: 3.5.2150.67

P6: 591c3be9

P7: c00000fd

P8: 000000000002b585

P9:

P10:

Attached files:

These files may be available here:

C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_ams_web_service._fc531d56ac0157b96a61adff9f7490b928d9d4_8cc52a9e_0ff93c1b

Analysis symbol:

Rechecking for solution: 0

Report Id: f3da905c-8260-11e7-80b9-00155d011e1b

Report Status: 4100

Hashed bucket: