Modelsim xe的问题

cqm239

在从ISE中调MODELSIM时,出现下面的错误.

# ** Warning: (vlib-34) Library already exists at "work".
# Model Technology ModelSim XE III vlog 6.1e Compiler 2006.03 Mar  8 2006
# ** Error: (vlog-7) Failed to open design unit file "." in read mode.
# Permission denied. (errno = EACCES)
# ** Error: D:/Modeltech_xe/win32xoem/vlog failed.
# Error in macro ./test.ndo line 6
# D:/Modeltech_xe/win32xoem/vlog failed.
#     while executing
# "vlog  """
上面的错误请大家给指导一下,问题是出在哪里了?帮帮忙!小弟先谢谢了.