<p></p>
<p dir="auto">Without any information its not possible to help you.  Nobody that I know of uses the combination you use, so you have to provide full information about your install, where kotlinc is installed to (full path) the PATH variable contents, which directory you run Geany in, how you start Geany.</p>
<p dir="auto">To be clear Geany just calls the windows <code>CreateProcessW()</code> function, and the error message comes from that.  You say it works for every other language, so it would seem something is weird about the kotlin compiler or your setup.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />Reply to this email directly, <a href="https://github.com/geany/geany/issues/3138#issuecomment-1074560640">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/AAIOWJ2ZDIFFAFESPTIFQJLVBEJG5ANCNFSM5RJAXUJQ">unsubscribe</a>.<br />You are receiving this because you are subscribed to this thread.<img src="https://github.com/notifications/beacon/AAIOWJZKFDSHWIS7Q3KEOVDVBEJG5A5CNFSM5RJAXUJ2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOIAGH5AA.gif" height="1" width="1" alt="" /><span style="color: transparent; font-size: 0; display: none; visibility: hidden; overflow: hidden; opacity: 0; width: 0; height: 0; max-width: 0; max-height: 0; mso-hide: all">Message ID: <span><geany/geany/issues/3138/1074560640</span><span>@</span><span>github</span><span>.</span><span>com></span></span></p>
<script type="application/ld+json">[
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"potentialAction": {
"@type": "ViewAction",
"target": "https://github.com/geany/geany/issues/3138#issuecomment-1074560640",
"url": "https://github.com/geany/geany/issues/3138#issuecomment-1074560640",
"name": "View Issue"
},
"description": "View this Issue on GitHub",
"publisher": {
"@type": "Organization",
"name": "GitHub",
"url": "https://github.com"
}
}
]</script>