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System PATH Environment Variable

 
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jussij
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Joined: 13 Aug 2004
Posts: 2205

PostPosted: Wed Nov 17, 2010 3:48 am    Post subject: System PATH Environment Variable Reply with quote

If you ever see the following DOS error message in the Zeus capture window:
Quote:

The name specified is not recognized as an internal or external command, operable program or batch file.

It means the installation directory of the specified executable is not defined in the PATH environment variable.

To fix this either modify the command to fully qualify the location of the executable file by including the installation folder details. Alternatively, just add the installation folder to the PATH environment variable.

To modify the PATH environment variable use the Start Button, select the Settings, Control Panel menu, click on the System icon and in the resulting dialog select the Advance system setting option.

NOTE: Be careful when editing the PATH as it is used by Windows itself. In the dialog mentioned above, when possible, it is best to make the changes to the User version, leaving the System version alone.

Here is a link that gives more details on how modify the PATH environment variable: http://www.computerhope.com/issues/ch000549.htm

Windows uses the PATH to look for executable and DLL files. An over simplified version of that search logic is Windows searches the current folder and if the file is not found it continues the search using the directories listed in the PATH, searching the directories in the list in a left to right order. This can sometimes cause issues.

Consider the case where the same executable (or dll) is found in multiple locations and those multiple locations are all in the PATH. The executable or dll in the left most location will be the one that is found and used, even though it might not be the correct one.

These types of issues can be resolved using a Dependency Walker.

To see the current PATH, start Zeus, select the Tools, DOS Command Line menu and in the arguments edit field type the following command:
Code:
set PATH
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