You may encounter Office error code 0-1011900 while installing, repairing or updating Office 365, 2013 or 2016. Please follow the below steps carefully to fix the Office error code 0-1011900 problem.
NOTE: Bookmark this webpage or open in another computer as we need to reboot the computer.
To delete files using Disk Cleanup
box, type Disk Cleanup, and then, in the list of results, click Disk Cleanup.
file types that you want to delete, and then click OK.
Run system file checker: sfc /scannow
SFC reference article : Click here to view Microsoft KB article for sfc scan
Tool will appear like below pic, click next and tool will remove all the left over files from previous installation. Also, if you are on wifi network please switch to wired network (Connecting LAN cable)
Once the tool finishes, reboot the computer if tool ask for reboot.
NOTE: If the problem Office error code 0-1011900 still hasn’t fixed or if you encounter different error please contact us for live help.
If the problem is fixed by above post, please cheer us by leaving your valuable comment.
Office 365 Error code 0x745f10b5
MS Office Not Working After Windows 10 Update
Office Error code 30174-4 Solved!
Microsoft Office Troubleshooting support