Getting an error when I try to open any VM. Have read elsewhere that it might be patched themes that are causing the error but I don't know why that would have anything to do with this.
- Host: Windows 7 Professional x64
- Guests installed: Windows XP x86 SP3 (nLited version), Linux Mint 16 x64, Windows 95, Windows 98 SE
- Guest additions installed? Only on XP VM
Log and screenshots attached. Also included is a screenshot demonstrating that I have already copied the original uxtheme.dll into VirtualBox's program folder as recommended earlier in this thread, by
Petr Vones:
Petr Vones wrote:The log says you very likely use modified unsigned vesion of uxtheme.dll to get useable UI in Windows 7. VirtualBox no longer allows this, you are no longer owner of your system, you must use signed DLLs only
Try to copy original unmodified Microsoft uxtheme.dll (presuming you have its backup) into the virtualbox directory where virtualbox.exe resides. This should satisfy the malware check and VirtualBox UI will look ugly but it should not affect other applications look as you probably wanted. If it does not work you have to revert back to the original uxtheme.dll in windows system directory but you will lose the Windows UI customization at all, for all applications.
Here, as you can see by going to this picture link (remove the spaces; I am too new on the forum to post the screenshot inline), I have copied uxtheme.dll into the program folder and still the error appears. The visual style is made to resemble Windows XP even though I am on Windows 7.
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oi57 . tinypic . com / izrzgn . jpg
I have been able to reproduce the error on all four VMs, as indicated in the attached screenshots and the logs. Perhaps someone can enlighten me as to why something completely unrelated like visual themes would have anything to do with the functioning of a completely separate VM? Short of reverting to an older build (or going back to Aero, ugh) what can I do to get my VMs working again? Is there an upcoming version of VirtualBox where the visual themes problem is fixed?