Virtual Box 1.5.0 doesn´t start on WinXP Home - Critical Error Message

[BartS]

After installing Virtual Box 1.5.0 I received the critical error message:

Failed to initialize COM or failed to find VirtualBox COM server. Most likely, the VirtualBox server is not running or failed to start.
The application will now terminate.
Call RC: RPC_E_CHANGED_MODE (0x80010106)

System: MS Windows XP Home SP2, Intel Pentium 4 HT, 512 MB DDR-RAM, nVidia GeForce, Virtual Box 1.4.0 (1.5.0), Guest OS: Ubuntu 6.10 online updated to 7.04 (including Guest Additions), Damn Small Linux 3.4 (Live PC), MS Windows 2000 Professional (including Guest Additions)

Performed Steps:

1. Virtual Box 1.3.8 updated to 1.4.0 - no problems
   

2. Update Virtual Box 1.4.0 to 1.5.0 - getting message to uninstall an older version
   

3. Uninstall Virtual Box 1.4.0
   

4. Install Virtual Box 1.5.0 - no further messages
   

5. Start Virtual Box 1.5.0 - critical error messsage (see above)
   

6. Repair by re-installing Virtual Box 1.5.0, reboot system
   

7. Restart Virtual Box 1.5.0 - critical error message (see above)
   

8. Uninstall Virtual Box 1.5.0, reboot system
   

9. Install Virtual Box 1.4.0
   

10. Start Virtual Box 1.4.0 - no problems, all virtual machines were still listed
    

11. Check every virtual machine (see above) - no problems
    

[Sander van Leeuwen]

Duplicate of #630