This tool is made by me for reading and writing to CPU MSR registers.
It works in kernel mode by a driver which is linked to the tool in user land with a user client.
Source is included
WARNING: Don't randomly read or write to MSR registers... If you read or write invalid MSR registers, or invalid data written, your system will crash...
anvmsr read E2
= read MSR register E2 and show value.
anvmsr write E2 0BAD
= write 0BAD to MSR register E2