Hello,
A. THE BUG/ISSUE
Can you reproduce the problem & if so how reliably?:
No it happens randomly
If you can, exact steps to reproduce. If not, exactly what you did & what happened:
CIS crashs randomly, It freezes my PC, I must hard reset my computer to solve this issue.
One or two sentences explaining what actually happened:
CIS crashs, but still running in task bar, it freezes my PC.
One or two sentences explaining what you expected to happen:
Not to crash randomly
If a software compatibility problem have you tried the advice to make programs work with CIS?:
Any software except CIS/OS involved? If so - name, & exact version:
No
Any other information, eg your guess at the cause, how you tried to fix it etc:
I used “Comodo unistaller tool” to remove CIS and I clean install CIS but it still crashs with the same error.
B. YOUR SETUP
Exact CIS version & configuration:
CIS Version : 12.1.0.6914
CIS Configuration : Comodo internet security : Active - Configuration.zip attached
Modules enabled & level. D+/HIPS, Autosandbox/BBlocker, Firewall, & AV:
Modules enabled : AV (Dynamique) + Firewall (Personnalisé)
Have you made any other changes to the default config? (egs here.):
No
Have you updated (without uninstall) from CIS 5, 6 or 7?:
No
Have you imported a config from a previous version of CIS:
No
OS version, SP, 32/64 bit, UAC setting, account type, V.Machine used:
OS Version : Windows 10 64 Bits Version 1909 (18363.752)
UAC Settings : “Ne jamais m’avertir”
Account type : Administrator, local account
Other security/s’box software a) currently installed b) installed since OS, including initial trial security software included with system:
a=MalwareBytes Free
Attached File:
Configuration.zip
CisReport_x64_v12.1.0.6914_20200405-104125.zip
KillSwitch : I can’t install it, screenshot : KillSwitch_error.jpg
Here is the Event tracing error :
Nom de l’application défaillante cavwp.exe, version : 12.1.0.6914, horodatage : 0x5da874ac
Nom du module défaillant : Framework.dll, version : 6.5.0.956, horodatage : 0x5d9caed5
Code d’exception : 0xc0000005
Décalage d’erreur : 0x0000000000008c32
ID du processus défaillant : 0x664
Heure de début de l’application défaillante : 0x01d60b1fc90ada49
Chemin d’accès de l’application défaillante : C:\Program Files\COMODO\COMODO Internet Security\cavwp.exe
Chemin d’accès du module défaillant: C:\Program Files\COMODO\COMODO Internet Security\Framework.dll
ID de rapport : b395af56-4722-424e-af92-f20cc15b2149
Nom complet du package défaillant :
ID de l’application relative au package défaillant :
Thank you for your help. 
I followed this thread :
https://forums.comodo.com/news-announcements-feedback-cis/comodo-internet-security-2019-v12106914-released-t124993.495.html
and just installed the previous build “12.0.0.6882” of CIS. So far so good. Awaiting patch for the next release.