Performance issues in XP after removing the Trojan horse, now get "the application or DLL C:\Windows\system32\qnwzuc.dll is not a valid Windows image.

I have a Toshiba laptop older, bought in a shop of second hand computer, running XP Home. I have no "Setup disk.

I get this pop-up message: "the application or DLL C:\Windows\system32\qnwzuc.dll is not a valid Windows image. "Please check this against your installation diskette."

I also get about 20 pop different messages, like this: Image Bad - Isass.exe, bad Image - OSA9.exe, bad Image - msimn.exe, mbamgui.exe, bad - services.exe and so on

Just download and run StopZilla, which found Trojan called TDSS and removed him, but these messages are unchanged.

The computer is much slower that used to be, sometimes turns off automatically.

I have a Toshiba laptop older, bought in a shop of second hand computer, running XP Home. I have no "Setup disk.

I get this pop-up message: "the application or DLL C:\Windows\system32\qnwzuc.dll is not a valid Windows image. "Please check this against your installation diskette."

I also get about 20 pop different messages, like this: Image Bad - Isass.exe, bad Image - OSA9.exe, bad Image - msimn.exe, mbamgui.exe, bad - services.exe and so on

Just download and run StopZilla, which found Trojan called TDSS and removed him, but these messages are unchanged.

The computer is much slower that used to be, sometimes turns off automatically.

If I bought a used computer, no matter who previously owned, the first thing I have with it would be to reinstall the operating system itself. You know not how the computer has been maintained, which has been incorrectly installed, what is missed, what virus and spyware, there may be, etc. I would not live with someone of another errors and problems, possibility of kiddy p0rn, etc, and I would not recommend anyone else to do.

Your choice of course, but in my opinion, you're playing with fire if you reinstall Windows properly.

Tags: Windows

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