The original file system must be unmounted before executing the roll back.

在执行回滚之前，必须卸载原始文件系统。

youdao

When you no longer need the ability to roll back the broker, you can delete the broker's system database, unless it is still required for user data.

如果您不再需要回滚代理的功能，那么可以在系统数据库不储存用户数据时删除它。

youdao

If that doesn't work, you might try running Windows System Restore to roll back your OS to a time before the infection happened.

如果这也不行，你也许要试着运行操作系统的系统还原来将操作系统还原至机器被感染之前的时间。

youdao