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I tried to reinstall Windows XP to Windows 7, but I could not install the video card drivers because the driver installation software only works on XP.
I have launched the setup program with XP mode. After I installed the setup, I restarted the computer and Windows 7 wasn't booting.
But that isn't the problem why I asked this question. The problem is that I have reinstalled my Windows 7 Ultimate to Windows XP SP3 and I wanted to install Dameon Tools.
After installation I restarted the PC (as the setup wanted) and when the Daemon Tools launches it shows the error:

Application failed to initialize properly (0xc0000006). Click OK to terminate the application.
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A lot of people who seem to have this problem have an infected machine. Try using some Malware removal software from safe-mode which may resolve this error. These two are my favourites :

SpyBot SuperAntiSpyware

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up vote 0 down vote accepted

Just download the latest version of Daemon Tools.

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XP drivers cannot be used in Windows 7 in any way. You have seen the results by losing bootability.

Daemon Tools is compatible with Windows 7 in its more recent versions. Be aware, however, that many have had problems with the DuplexSecure sptd.sys driver. It is possible that it will interfere with hibernation or sleep.

Windows 7 cannot be "installed to Windows XP" nor the opposite, either. I assume that you mean that you have both on the same machine, is that correct?

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