Dear Prof. I have tried updating the SVAR add-on package to version 1.96 on my PC, yet the problem still persists. In fact, the bugs have compounded; the help pdf file could not even be opened, even from another PC. Find below the error messages: C:\Users imme\AppData\Roaming\gretl\irf768.gp: Invalid argument *** error in function IRFgrph, line 34 called by function IRFsave *** error within loop in function IRFsave bc, whichdraw) called by function IRFplot called by function GUI_plot C:\Users imme\AppData\Roaming\gretl\fevd9937.gp: Invalid argument *** error in function FEVDgrph, line 22 called by function FEVDsave *** error within loop in function FEVDsave keypos, titletail) called by function FEVDplot called by function GUI_plot C:\Users\timme\AppData\Roaming\gretl\.mysession\functions.pdf: No such file or directory