1, to the official website to download your missing this file version of the EXE file.
2, download 7-zip software (in Baidu download, relatively small).
3, with 7-zip decompression this exe. A folder will appear with the approximate name Virtualbox-4.3.12-93733-win.
4. Enter the cmd window. If not, Win+r key, enter CMD. Really not, to ask Baidu.
5. Enter the folder where you unzipped the folder (that is, the folder where Virtualbox-4.3.12-93733-win is located). The drive letter toggles the label and colon of the direct drive (e.g., need to enter D, enter D:). CD into the directory. DIR displays files and folders.
6, then enter Virtualbox-4.3.12-93733-win-extract.
7, it will prompt you to go to that folder to find, you go to find on OK. Generally in C:\Users\ your name \appdata\local\temp\virtualbox below. There are three files, as shown in
The AMD64 is 64 bits, and x86 is 32 bits. This is finished, remember to pay attention to me yo.
VBox lost *multiarch_amd64.msi or *multiarch_x86.msi re-created