Updating think-cell charts takes very long and PowerPoint seems to be very unresponsive after each change in the internal
datasheet of think-cell.
ESET Smart Security Version 9
or ESET NOD32 Antivirus Version 9
is installed and the Real-time file system protection is activated:
Computer protection →
Real-time file system protection.
To find out if you are affected by this problem you can temporarily deactivate the Real-time file system protection.
think-cell performance should return to normal.
We have filed a case with ESET. If you want to contact ESET to ask for a fix, you may refer to Ticket#2015101630001107.