Scilab Wavelet Toolbox

whenever i start the swt toolbox I encounter the following error and i am
not able to run any of the wavelet transform

link: The file C:\PROGRA~1\SCILAB~1.1\contrib\swt\/lib/libswt.dll does not
exist.
link: The file C:\PROGRA~1\SCILAB~1.1\contrib\swt\/lib/libswt.dll does not
exist.
addinter(SWTDIR+'lib/libswt.dll','libswt',functions);
!--error 236
addinter: The shared archive was not loaded: The operation completed
successfully.

at line 130 of exec file called by :
exec("C:\PROGRA~1\SCILAB~1.1\contrib\swt\loader.sce");
in execstr instruction called by :
allbackobject(5);execstr(toolboxes(1));if exists("%oldgcbo") then gcbo =
%old
while executing a callback