This is what Whocrashed is telling me.
Crash dump directories:
C:\Windows
C:\Windows\Minidump
On Fri 3/8/2019 8:02:19 PM your computer crashed or a problem was reported
crash dump file: C:\Windows\MEMORY.DMP
This was probably caused by the following module:
portcls.sys (portcls!PcNewPort+0xA26)
Bugcheck code: 0x7E (0xFFFFFFFFC0000005, 0xFFFFF8063E3082C4, 0xFFFFDD0D2A9EA288, 0xFFFFDD0D2A9E9AD0)
Error:
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED
file path: C:\Windows\system32\drivers\portcls.sys
product:
Microsoft® Windows® Operating System
company:
Microsoft Corporation
description: Port Class (Class Driver for Port/Miniport Devices)
Bug check description: This bug check indicates that a system thread generated an exception that the error handler did not catch.
The crash took place in a Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.
On Fri 3/8/2019 8:02:19 PM your computer crashed or a problem was reported
crash dump file: C:\Windows\Minidump\030819-40796-01.dmp
This was probably caused by the following module:
ha20x22k.sys (0xFFFFF8063E3082C4)
Bugcheck code: 0x1000007E (0xFFFFFFFFC0000005, 0xFFFFF8063E3082C4, 0xFFFFDD0D2A9EA288, 0xFFFFDD0D2A9E9AD0)
Error:
SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M
file path: C:\Windows\system32\drivers\ha20x22k.sys
Bug check description: This indicates that a system thread generated an exception which the error handler did not catch.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: ha20x22k.sys .
Google query:
ha20x22k.sys SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M
Conclusion
2 crash dumps have been found and analyzed. A third party driver has been identified to be causing system crashes on your computer. It is strongly suggested that you check for updates for these drivers on their company websites. Click on the links below to search with Google for updates for these drivers:
ha20x22k.sys
If no updates for these drivers are available, try searching with Google on the names of these drivers in combination with the errors that have been reported for these drivers. Include the brand and model name of your computer as well in the query. This often yields interesting results from discussions on the web by users who have been experiencing similar problems.
Read the topic
general suggestions for troubleshooting system crashes for more information.
Note that it's not always possible to state with certainty whether a reported driver is responsible for crashing your system or that the root cause is in another module. Nonetheless it's suggested you look for updates for the products that these drivers belong to and regularly visit Windows update or enable automatic updates for Windows. In case a piece of malfunctioning hardware is causing trouble, a search with Google on the bug check errors together with the model name and brand of your computer may help you investigate this further.