Member Avatar for web_developer

hey alll
i reciceve this error, does anyone knows the solution.

Error while trying to run project: Unable to start debugging.
Unable to start program 'display some funny characters'
The system cannot find the file specified.

thanks in advance

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Dani AI

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A few follow-up notes that complement and : the OP () resolved the problem on the IIS side, but similar "unable to start debugging" failures can come from several Visual Studio / project settings rather than only from IIS. The checklist below helps target the common remaining causes and gives quick, safe diagnostics to run before re-creating server objects.

  • Confirm the web project is the StartUp Project (right‑click -> Set as StartUp Project). If the solution has multiple projects, ensure the correct one is set to launch.
  • Open Project Properties -> Debug (or Web for older VS): verify the Start Action is appropriate (no broken "Start external program" path) and the Project URL matches a working IIS site if you use Local IIS.
  • If Visual Studio compiles but will not attach, try Manual Attach: Debug -> Attach to Process -> select the IIS worker process (w3wp.exe or inetinfo.exe on old IIS). Enable "Show processes from all users" and pick the correct code type (Managed).
  • Corrupt user settings can produce strange startup targets. Close VS, delete the solution .suo and any *.user files, then reopen.
  • Ensure debugging is enabled in the app: set compilation debug to true in web.config:
<system.web>
  <compilation debug="true" />
</system.web>
  • Run Visual Studio with elevated rights if attach permissions are required, and check the Output window and Windows Event Log for the exact path or error the debugger reports. Garbled program names often point to non‑ASCII characters in paths or a corrupted project file; moving the solution to a simple ASCII path can quickly rule that out.
Member Avatar for SergioGP

hey alll
i reciceve this error, does anyone knows the solution.

Error while trying to run project: Unable to start debugging.
Unable to start program 'display some funny characters'
The system cannot find the file specified.

thanks in advance

Since your giving quick information i can only give you a quick answer: Try to Restart IIS, or Under your Virtual Directory on application settings click on Remove button and then Create.

Member Avatar for web_developer

man i restart and no
what quick information,
all wht i know i wrote it,
when i compile no error, only a message box with the above message.
if i open the ie and write the path of my url project, it open
only from the .net it wont open
i searched alot but this error i didnt suceed in finding the solution.

Member Avatar for muthu

go to control panel, go to iis service then click, we have something called default website.


from that go to the name of the application and rt click and select the properties and then give in the directory ie "create".

ur website getting created and u will run the program.
any other problem just send the query

Member Avatar for web_developer

it worked dude
10x alot

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