VMware error : VMware Player unrecoverable error

you should change the path for installing the Ubuntu. don’t save it in C: drive use D: drive or other.
I think you should download and install VMWare version 10 or 11 it is easier to handle n to use

still same error is there

uninstall your VMWare fully then delete the VMWare related files from C:\Program Files clear your temp files.
and then install lower version of VMWare it again if there is same problem
then
use this link to download lower version:
https://my.vmware.com/web/vmware/info?slug=desktop_end_user_computing/vmware_workstation/11_0

or download VirtualBox

for Ubuntu, use Server version 16.04:
http://releases.ubuntu.com/16.04/

I think some imp files are missing

or you can contact to VMWare support

can you suggest some other solution because the error is still there

U can also use VirtualBox

Or u can also install Ubuntu desktop version 16.04 as a secondary OS in ur PC/laptop in desktop version u can continue ur lecture on Firefox