cannot extract measures from sample matrices

I have read the GraphVar manual - it's all very clear. I want to get used to simply calculating and exporting graph measures using the Conn Matrix files in the sample workspace.  I have loaded just two of the files (to make it quicker) and chosen to calculate measures on the weighted matrices. I chose to extract the Weighted: Strength (UND) values. When I try to do this it just locks the screen and doesn't show anything else (i.e. progress bars). I don't receive any error messages. I have tried on other weighted measures and experience the same thing.

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The R-fMRI Wiki

The R-fMRI Wiki is designed to create a knowledge base for DPABI and DPARSF, and eventually for all the resting-state fMRI.

DPABI

DPABI is a GNU/GPL* toolbox for Data Processing & Analysis of Brain Imaging, evolved from DPARSF (Data Processing Assistant for Resting-State fMRI). DPABI is available at http://rfmri.org/dpabi.

DPARSF Advanced Edition

DPARSF Advanced Edition is the most commonly used version of DPARSF.

DPARSF

Data Processing Assistant for Resting-State fMRI (DPARSF) is a convenient plug-in software within DPABI, which is based on SPM.

Working Directory

Working Directory is a common concept within DPARSF.

In DPARSF, Working Directory means the upper directory of FunRaw/T1Raw/FunImg/T1Img etc. All the results will be generated under the Working Directory.

Subject List

Subject List is the list of subjects whose data needs to be processed.

After setting the Starting Directory Name at the bottom right of DPARSF, the program will read the directories under the Starting Directory (E.g., FunRaw or FunImg), and put them in to the Participants List field.

Time Points

Time Points is the number of time points (volumes) of the functional data. 

Slice Timing

Most fMRI data are acquired using two-dimensional pulse sequences that acquire images one slice at a time, thus all slices are acquired at different time within a repeat time (TR). Timing differences are especially problematic for longer TR. Hence the differences in image acquisition time between slices need to be corrected.

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