Maxima doesn't run.



 Maxima doesn't run.  If I type something and press Enter with Shift at wxMaxima, wxMaxima show dialog box saying "Not connected to Maxima!" and maxima answers nothing.
 Moreover, If I boot up command line maxima, maxima shows

	Error in SYSTEM::SET-UP-TOP-LEVEL [or a callee]: :ROOT is an illegal pathname name.

	Fast links are on: do (use-fast-links nil) for debugging
	Broken at SYSTEM:STAT.  Type :H for Help.
	 1 (Abort) Return to top level.
	dbl:>>

on command line and if I type something, maxima return more error messages.

 Although I disable firewall from blocking wxMaxima, nothing changes.
(Nothing but normal windows firewall exists in my computer.)

 Although I include the Maxima executable in the list of DEP exceptions, nothing changes.  I also include all executable files in maxima folder in the list of DEP exceptions, nothing changes.

Environment:	window vista home basic
		Maxima 5.21.0
		language of maxima;default language of OS:Japanese
		Install folder:C:Program files (I tried installing maxima in G:\ but nothing changes.)

Thank you.