.exe executable can't open problem solution

The computer appears in the problem as stated in the question. Click on the properties of my computer to pop up a dialog box saying "Cannot find C:/WINDOWS/system32/rundll32.exe", and later I want to open some already The installed software program pops up a dialog box that asks you to choose how to open it. Later, I found that the anti-virus software is gone. What surprised me is that I can't install the file! What should I do?

Solution: For exe The open method is modified by a Trojan or virus and cannot open any executable file.

Option 1: First rename regedit.exe to regedit.com or regedit.scr.

Run regedit.com, find the hkey_classes_root/exefile/shell/Open/command key, change the default value to %1 %*, and then change regedit.com back to regedit.exe.

Option 2: Save the following content as exefile.reg, double-click to import the registry; or run regedit exefile.reg under pure dos, import the registry. (Note: leave a blank line after regedit4)

regedit4

[hkey_classes_root/exefile/shell/Open/command]

@=/%1/%*

Option 3 (only for win2000/xp):

1. Change cmd.exe to cmd.com or cmd.scr.

2, run cmd.com

3, run the following two commands: ftype exefile=%1 %*assoc .exe=exefile

4, will cmd.com Change back to cmd.exe

Scenario 4: From the new associated EXE file. Open any window (non-IE window), tool---folder option----file type----new ———— fill in “file extension" ----- Click Advanced, select “ Application & rdquo;------- OK in the drop-down menu.