hmc 不能打开 终端

今天 想在远程 打开teminate ,报一个错，我是用firefox 打开的，报错如下：
ACT01513:
The task you want to switch to is an applet based task, which does not support "Switch To', Please use the window switching capability for local windows to 'Switch To' the window for this task..

大家有没有碰到这个问题啊。谢谢啊。收起