This “Office Is Installing In The Background (87%) Stuck There” usually happens due to the hardware dependencies of the system processes.

https://www.officelivesupport.....com/office-is-instal

The basic troubleshooting for Error 1935 is to repair the office program, if it fails we need to uninstall and re-install the program. The necessary steps may be helpful in understanding how to install Office and Uninstall/repair Office programs.

https://www.officelivesupport.....com/error-1935-insta

The error that is referred as Chrome Error 404 as a “runtime error”, also known as a software bug. Programmers work through different levels of debugging in attempt to make sure that Google Chrome is as close to error-free as possible. Errors such as error 404 sometimes get dropped from reporting, leaving the issue remaining unresolved in the software.

https://www.officelivesupport.....com/fix-error-404-on

Error Code 0x80071a91 error code is common for all the Windows Operating systems when you try to install the updates. It usually appears when Windows 10 or Windows 7 update system is broken or there are network-related glitches.

https://www.officelivesupport.....com/error-0x80071a91

Error Code 0x80070bc9 error code is common for all the Windows Operating systems when you try to install the updates. It usually appears when Windows 10 or Windows 7 update system is broken or there is network related glitches.

https://www.officelivesupport.....com/window-update-er