![]() ![]() There are a few different Virtual Machines out there. That's when I started to use Virtual Machines ( Virtual PC 2004 & 2007). It lost functionally when one of the system DLL's it depended on got upgraded. So when I switched over to Windows XP, it ran fine until Service Pack 1. The last operating system it was released for was Windows 98. A few years back, I ran into this issue when one of my favorite search programs ( WebCompass) was discontinued. I am often asked, 'How can I get an old program to run on Windows 7?'. You can delete the files in %temp% again too.In this article, I will show one of the uses for Virtual Machines in Windows 7. If that fixes the problem, then when it is done and you restart your computer, you can safely delete C:\Users\Unknown. Run the VirtualBox installer for VERSION 5.0.14 As soon as you get to the first screen that says welcome STOP.Ĭopy %temp%\VirtualBox\VirtualBox-5.0.8-r103449-MultiArch_amd64.msi to C:\Users\UNKNOWN\AppData\Local\Temp\ Run the VirtualBox installer for VERSION 5.0.8. Run the following commands cd "C:\Program Files\Oracle\VirtualBox" VBoxUSB (You may not have this key depending on what version of VirtualBox you previously installed)ĭownload the newest version of VirtualBox.In the registry navigate to HKLM\System\CurrentControlSet\Services. C:\Windows\System32\Drivers\vboxusb.sys (You may not have this driver depending on what version of VirtualBox you previously installed). ![]() C:\Windows\System32\Drivers\vboxusbmon.sys.C:\Windows\System32\Drivers\vboxnetflt.sys (You may not have this driver depending on what version of VirtualBox you previously installed).C:\Windows\System32\Drivers\VBoxNetAdp6.sys.C:\Windows\System32\Drivers\vboxnetadp.sys.C:\Windows\System32\Drivers\vboxdrv.sys.If running the installer again does not give you the choice to uninstall VirtualBox, let's try to manually remove it (folders, drivers, and registry entries).Ĭlose VirtualBox (kill any VirtualBox related processes)Ĭonfirm that you have deleted C:\Program Files\Oracle\VirtualBox I run the installer for VirtualBox 5.0.14 and finally I succeeded in installing it, but now when I open the new VirtualBox I get this error again Failed to create COM object I copy-pasted the %temp%\VirtualBox\VirtualBox-5.0.8-r103449-MultiArch_amd64.msi file from the second device to the folder D:\Unknown\Users\Administrator\AppData\Local\Temp on my Win 7 PC.I performed steps 1 through 4 on the PC I'm trying to reinstall VirtualBox.I performed some of the previous steps (3 through 8) by using a second device with Win 8.1 installed to get the.I tried opening %temp%\VirtualBox\ but I couldn't find it.and I got the errors described previously (see the screenshot) as soon as it opened Run the VirtualBox installer for VERSION 5.0.8.Delete everything I was able to remove in this folder ( I couldn't delete FXSAPIDebugLogFile because an error message told me it was already opened in file manager).Run the command: md `cd D:\Unknown\Users\Administrator\AppData\Local\Temp` Since I wasn't able to uninstall it normally because the path wasn't on C:, I deleted the folder "Virtual Box" with all the files, but I got the same errors I tried to reinstall it but I get some error messages telling me that I need to choose a different path and that I cannot uninstall the previous version. Today I did the downgrade to Windows 7 again and I can't open VirtualBox anymore because I get this error: Failed to create COM objectĬallee RC: REGDB_E_CLASSNOTREG” (0x80040154) VirtualBox did work properly with both versions of Windows and I was able to run everything perfectly. I installed Virtual Box on Windows 7 Ultimate 圆4 and then I upgraded my system to Windows 10. ![]()
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