在virtual pc中装dos6.22 过程中遇到以下问题
WARNING
YOUR HARD DISK INSTALLATION WAS SUCCESSFULLY COMPLETED.
Continuing with the Uninstall program will remove MS-DOS 6.22
files from your hard disk and will replace them with your original DOS.
To restore your original DOS, press R.
To exit, remove the Uninstall disk from drive A: and press E.
按了“E” 还是出现一样的提示
请问应该怎么处理