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Windows Update from 1803 to 1809, 1903 or 1909 blocked by unsopported component / device

HP Recommended
HP Compaq 8000 Elite CMT PC
Microsoft Windows 10 (64-bit)

Dear Community,

my HP Compaq 8000 Elite CMT PC  doesn´t allow updates from  Windows 10, 1803 to any higher version as a system component cannot be updated . The Bios Version is: Bios 786G7 v01.02


Opening system manager the following message appears for the failed component  "Serielle PCI-Schnitstelle / Serial PCI adaptor/interface":
original message:
"Die Treiber für dieses Gerät wurden nicht installiert. (Code 28)

Es sind keine kompatiblen Treiber für dieses Gerät vorhanden.

Klicken Sie auf "Treiber aktualisieren", um einen Treiber für dieses Gerät zu finden".,



"The driver for this component  is not installed, (failure code 028)

There are no compatible drivers for this component available.

Click on update drivers to install a driver for this component.


Unfortunately this doesn´t work either.

I have tried to deinstall the component or deactivate, but it is re-connected after each re-start, specifically when re-starting aften an intended update.


All other components were deconnected as advised in another article, but again whitout success.


There is a similar problem mentioned with an HP 8200 convertible, unfortunately the offered patch cannot be installed. Other articles in this community or on other websites do not descibe or resolve this issue sucessfully.


It would be nice if somebody could give an advise or would offer a solution.

BTW Ihave three HP 8000, the other two  are updating properly.


Kind regards



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