Win7 can not open a new task after upgrading VirtualBox

Some users have added Win7 virtual system under Win7 due to work needs. With the update of VirtualBox 4.326, users have also started to upgrade. After the upgrade, a user finds that the originally created virtual machine cannot be opened. The prompt message is: Cannot open a new task for the virtual computer win7, error code 0x80004005. The following small series introduces the solution.

First, the reasons for analysis:

analyzed by the system log, the problem will be locked in Win7 theme core file system & ldquo; uxtheme.dll & rdquo ;, in fact, users have cracked the reduction of Win7 The system theme core file, you can open the virtual machine.

Second, the solution steps:

1, to download the unsolved Win7 theme core file online "themeui.dll", "themeservice.dll", "uxmeme.dll" Three files;

2, under WinPE, these three files are overwritten to the C:\\windows\\system32\\ folder, which solves the above problems.

The above is the solution to Win7 can not open a new task after upgrading VirtualBox. If you encounter the same problem, you can refer to the above method to solve.