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A program path and name should have a maximum of 259 characters and must only contain alphanumeric characters (A-Z, a-z, 0-9). It is not possible to specify only the program name.
You can use wildcards in place of drive letters and program names. Use a question mark (?) to represent single-character data, such as a drive letter. Use an asterisk (*) to represent multi-character data, such as a program name.
Note
Note
Wildcards cannot be used to represent folder names. The exact name of a folder must be specified.
Wildcards are used correctly in the following examples:

Correct Usage of Wildcards

Example
Matched Data
?:\Password.exe
The "Password.exe" file located directly under any drive
C:\Program Files\Microsoft\*.exe
Any file in C:\Program Files that has a file extension
C:\Program Files\*.*
Any file in C:\Program Files that has a file extension
C:\Program Files\a?c.exe
Any .exe file in C:\Program Files that has 3 characters starting with the letter "a" and ending with the letter "c"
C:\*
Any file located directly under the C:\ drive, with or without file extensions
Wildcards are used incorrectly in the following examples:

Incorrect Usage of Wildcards

Example
Reason
??:\Buffalo\Password.exe
?? represents two characters and drive letters only have a single alphabetic character.
*:\Buffalo\Password.exe
* represents multi-character data and drive letters only have a single alphabetic character.
C:\*\Password.exe
Wildcards cannot be used to represent folder names. The exact name of a folder must be specified.
C:\?\Password.exe
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