Question about Microsoft Windows XP Professional for PC

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This program cannot be run under win32 mode.

I am Sherlyn and I have the following problem. I use windows XP &
" This program cannot be run under win32 mode." This message is displayed each time when I open any of the installed programs by just double clicking on it. I also cant access the calculator, games & control panel. To open each of these things just by double clicking I get a message " This program cannot be run under win32 mode."
Then I have to right click on the icon and click on "Run as" option then a message "Which user account do you want to use to run this program?" is displaed and I have to select the option "Protect my computer and data from unauthorized program activity" and then click OK.

Can you please tell me why this problem occurs and how to solve it?

You can send the solution to

Please do help.


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To correct and solve this error, follow this steps:

1. Run Task Manager (Ctrl-Alt-Del or right click on Taskbar)
2. Stop wscript.exe process if available by highlighting the process name and clicking End Process.
3. Then terminate explorer.exe process.
4. In Task Manager, click on File -> New Task (Run…).
5. Type “cmd” (without quotes) into the Open text box and click OK.
6. Type the following command one by one followed by hitting Enter key:

del c:\autorun.* /f /s /q /a
del d:\autorun.* /f /s /q /a
del e:\autorun.* /f /s /q /a

c, d, e each represents drive letters on Windows system. If there are more drives or partitions available, continue to command by altering to other drive letter. Note that you must also clean the autorun files from USB flash drive or portable hard disk as the external drive may also be infected.
7. In Task Manager, click on File -> New Task (Run…).
8. Type “regedit” (without quotes) into the Open text box and click OK.
9. Navigate to the following registry key:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
10. Check if the value name and value data for the key is correct (the value data of userint.exe include the path which may be different than C drive, which is also valid, note also the comma which is also needed):


If the value is incorrent, modify it to the valid value data.

Posted on Sep 01, 2008

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Posted on Jan 02, 2017

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