How to do EXE file association is broken

Method 1: Applicable to Windows 95+ Windows (9x/ME/2000/XP/2003)

Start->Run->Enter"command" (on Windows 2000/In XP/2003, type "cmd"), enter

On the command line, execute the following command:

cd %windir%
copy regedit.exe regedit.com
regedit

After the Registry Editor opens, locate the following branch:

HKEY_CLASSES_ROOT\\exefile\\shell\\open\\command

Double-click in the right window (default Value, set to "%1" %* [with quotes]

Find again:

HKEY_CLASSES_ROOT\\.exe

Double click on the right window (default) value, set to exefile
Then exit the registry editor, restart the computer

Method 2: For Windows 2000/XP/2003

Start->Run-> Enter "cmd", enter

In the command line, execute the following command in order:

ftype exefile="%1" %* [with quotes]
assoc . Exe=exefile

Restart the computer

Method 3: For Windows 2000/XP/20 03

Download and run any of the following .reg files
http://www.kellys-korner-xp.com/regs_edits/exefix.reg
http://www.dougknox.com /xp/fileassoc/xp_exe_fix.zip