windows 8 - libfreetype-6.dll lost when using GRASS command line

Update#1：

Following the instruction of Sorin Călinică, I have installed libfreetype-6.dll using the OSGeo4W Network Installer, and the command d.rast can launch successfully.

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I am using GRASS 6.4.3 (installed with osGeo4w), and I have this question：

Whenever I want to use the d.rast command, I got the error message about system error of d.rast.exe that I lost libfreetype-6.dll：

How can I solve this problem? I am using GRASS 6.4.3 under windows 8.1 64-bits, please give me any suggestion!

Answer

It seems you don't have libfreetype-6.dll installed on your system.

Just launch the OSGeo4W Network Installer (64 bit) > Advenced Install, type freetype in the search box and perform the freetype packages installing.

Then, libfreetype-6.dll must be installed on your computer: