Cadence软件安装问题？

InstallScape installation directory: /home/eda/installscape

Extracting InstallScape version 04.21.p04
for platform lnx86 in /home/eda/installscape
Could not install InstallScape in /home/eda/installscape

You must have write permissions to /home/eda/installscape.
A minimun of 120 MB of disk space is required in
/home/eda/installscape.

/bin/tar: ./iscape: Cannot create symlink to `iscape.04.21-p004': File exists
/bin/tar: Exiting with failure status due to previous errors
Exiting...
在安装Cadence过程中遇到这个问题，请问一下是什么原因?

我也遇到这个问题，不知道你解决了没有，解决了的话可以告诉我你的解决方法吗，谢谢