The specified CGI application misbehaved by not returning a complete set of HTTP headers

is Error Reporting:
The specified CGI application misbehaved by not returning a complete set of HTTP headers
This means: (The HTTP protocol's CGI mode is not running correctly)

Because the-WT parameter is not supported in the first sentence of the Perl script, replace all-WT with-W
That is: Replace the #!/usr/bin/perl–wt with the following: #!/usr/bin/perl–w
This is on behalf of PHP is a CGI test run in php.ini find Gi.force_redirect the front of the semicolon removed the value of the change to 0 on the line.

Run it again, this is PHP another way to configure the mode of operation

PHP Error encountered today

CGI Error
The specified CGI application misbehaved by not returning a complete set of HTTP headers.

The final solution is to change the PHP CGI mode to ISAPI.

environment: Windows XP Sp3+iis5.1+activeperl 5.10.0
After installing Bugzilla, configure CGI and run the following error:

CGI Error
The specified CGI application misbehaved by not returning a complete set of HTTP headers. The headers it did return are:

'-t ' on the #! Line, it must also is used on the command line at E:\BUGZILLA-3.4.2\BUGZILLA-3.4.2\INDEX.CGI Line 1.

Error Reporting:
The specified CGI application misbehaved by not returning a complete set of HTTP headers
This means: (The HTTP protocol's CGI mode is not running correctly)

Because the-WT parameter is not supported in the first sentence of the Perl script, replace all-WT with-W
That is: Replace the #!/usr/bin/perl–wt with the following: #!/usr/bin/perl–w
This is on behalf of PHP is a CGI test run in php.ini find Gi.force_redirect the front of the semicolon removed the value of the change to 0 on the line.

PS: Alternative Solutions
To modify the IIS settings, the Home Directory tab-> the application settings-> Select CGI and then add/edit the application extension mapping name: Write the CGI executable file name as:
D:\Perl\bin\perl.exe-x-wt '%s '%s
(Note: Here my Perl is installed in the D:\Perl directory)
You don't need to change the Bugzilla file like this.