Error Code 0-2048 (0) for Office 2021-Fixed
This error is also caused while installing Microsoft office is due to registry corruption or network collaboration.

It can also block the office program installation being carried out successfully in the computer.

Here are some of the causes of the error code 0-2048 (0)

Improper system shutdown
Due to a power failure
Accidentally deleting a system file or system element entry
How to Resolve the Error Code 0-2048 (0)?
Temporarily disable Firewall and Antivirus
Error Code 30015-28 (2231435265) while installing or updating the Microsoft Office may occur in case of Network or firewall restriction.

Steps to disable the firewall
Firstly, open "Control Panel" and go to "System and Security" and then to "Windows Firewall".
After this, click on "Turn windows firewall On or Off".
After that, select Turn Off firewall for both private and public network.
Finally, try install Microsoft Office and check whether the error code is fixed.
Steps to disable the antivirus

Firstly, open Antivirus application installed on the computer.
Secondly, click on settings and access the real time protection.
After this, turn Off real time protection and access Antivirus firewall.
Finally, Turn off Antivirus firewall and click on OK for confirmation.