Restart VirtualBox inside the system hint Vt-x features locked or unavailable in MSR error

Once accidentally set some VirtualBox inside the configuration, and then start the system when the following prompt

Found some information on the Internet, tried some methods, and there was a chance of success.

The original is the number of the CPU set to 2, changed to 1 is good, do not know why do, too lazy to dig, waste time

There is also a solution on the internet feel OK, you can try it, the address is as follows:

http://wordpress.bestdaylong.com/blog/archives/4268

Http://www.cnblogs.com/ryanlamp/p/4536990.html

Restart VirtualBox inside the system hint Vt-x features locked or unavailable in MSR error