Bootstrapped cluster anaylysis will yield the same dendrogram as conventional clustering. Additionally, it will report a p-values as a measure of the stability for each cluster partition.
Depending on the number of bootstrap replicates the analysis may take some time to complete. Meanwhile you will not see anything on the screen. Running the analysis with the default settings will need about 10 seconds of calculation time.
Percentage of Variance Accounted for by First Factor