Issue: Windows update error code 0xc1900101 occurs due to the antiviru software.
Description: Windows 10 update 1803 released on April 2018. Homegroup feature is not available in 1803 update. This feature takes off printer and file sharing using homegroup. However, the printers and files shared prior to this update remains the same. Hence the sharing feature of files and printers is available rather than using homegroup.
There are instances of failure of an update 0xc1900101 due to multiple factors. Some of the factors are:
Low disk space, intermittent internet connectivity, antivirus program related issues. Furthermore, disable the firewall and security program and check for updates. So that the error should not come back. Consequently there are some more steps to disable the print spooler and file protection to off and try to install the update.
Another solution is to try again after deletion of homegroup. The deletion of home group is done through the controlpanel similar to the other programs. All we need to open is control panel and select folder options and uncheck homegroup to delete ehte homegroup from computer.
How to resolve Windows 10 upgrade error code 0xc1900101?
Almost all the steps are explained above. Similar to the above, we are re-clarifying the steps to resolve this error code 0xc1900101. It is an upgrade related error that features printer and file sharing without homegroup network. So the steps involve deleting the printer drivers and disable file protection. Another step installs the update 1803.
Maybe some users misunderstand by deleting the printer, they can reinstall after doing an update.