InDesign 15.1.1 & CC Desktop App crashing on Windows 10

Hi

Since the 5th August I have had constant crashes of CCdesktop,  InDesign & illustrator, but mostly inDesign

There seems to be no trigger as it happens randomly. the exception code always seems different...

Windows 10 Pro x64 (Build 1909) on a core i7 with 16GB Ram

from the windows error log;-

6   11 Times

Faulting application name: Creative Cloud.exe, version: 5.2.1.441, time stamp: 0x5f11e815
Faulting module name: VulcanMessage5.dll, version: 6.0.0.25, time stamp: 0x5ec4d273
Exception code: 0xc0000005
Fault offset: 0x000000000002064c

2 times

Faulting application name: InDesign.exe, version: 15.1.1.103, time stamp: 0x5eed01fd
Faulting module name: ntdll.dll, version: 10.0.19041.207, time stamp: 0xcad89ab4
Exception code: 0xc0000005
Fault offset: 0x00000000000213ad
Faulting process ID: 0x15e0
Faulting application start time: 0x01d6697f4573d7d0
Faulting application path: C:\Program Files\Adobe\Adobe InDesign 2020\InDesign.exe
Faulting module path: C:\Windows\SYSTEM32\ntdll.dll

4 times

Faulting application name: InDesign.exe, version: 15.1.1.103, time stamp: 0x5eed01fd
Faulting module name: ntdll.dll, version: 10.0.19041.207, time stamp: 0xcad89ab4
Exception code: 0xc0000374
Fault offset: 0x00000000000fdec9
Faulting process ID: 0x28a0
Faulting application start time: 0x01d661913996726d
Faulting application path: C:\Program Files\Adobe\Adobe InDesign 2020\InDesign.exe
Faulting module path: C:\Windows\SYSTEM32\ntdll.dll
Report ID: 2eda2e76-c427-4d2b-864d-beccb86752c0
Faulting package full name:
Faulting package-relative application ID:
Report ID: d500f11f-b21e-4844-b9cf-329f78e27b74
Faulting package full name:
Faulting package-relative application ID:
Faulting process ID: 0x1898
Faulting application start time: 0x01d66b26e015b33f
Faulting application path: C:\Program Files\Adobe\Adobe Creative Cloud\ACC\Creative Cloud.exe
Faulting module path: C:\Program Files\Common Files\Adobe\Adobe Desktop Common\TCC\VulcanMessage5.dll
Report ID: 5b596a78-b548-43b8-aff6-7a6f2e7fb8bd
Faulting package full name:
Faulting package-relative application ID:

3 times

Faulting application name: InDesign.exe, version: 15.1.1.103, time stamp: 0x5eed01fd
Faulting module name: ntdll.dll, version: 10.0.19041.207, time stamp: 0xcad89ab4
Exception code: 0xc000041d
Fault offset: 0x00000000000213ad
Faulting process ID: 0x1320
Faulting application start time: 0x01d660de15dee5e3
Faulting application path: C:\Program Files\Adobe\Adobe InDesign 2020\InDesign.exe
Faulting module path: C:\Windows\SYSTEM32\ntdll.dll
Report ID: 5682e911-5712-484d-890b-7e5686462897
Faulting package full name:
Faulting package-relative application ID:

Any help on finding and fixing the issue would be appreciated, I am losing hours of work and lots of hair over this.

{Renamed by MOD}