diff --git a/packages/core/src/logger.rs b/packages/core/src/logger.rs
index db5cf05e..6d5cd818 100644
--- a/packages/core/src/logger.rs
+++ b/packages/core/src/logger.rs
@@ -1,3 +1,4 @@
+#[cfg(debug_assertions)]
 use crate::store::Core;
 use tracing_subscriber::prelude::*;
 use tracing_subscriber::util::SubscriberInitExt;
diff --git a/packages/core/src/store/processes.rs b/packages/core/src/store/processes.rs
index 7d4df49e..0af7ea01 100644
--- a/packages/core/src/store/processes.rs
+++ b/packages/core/src/store/processes.rs
@@ -545,6 +545,7 @@ async fn wait_for_exit(
 	}
 }
 
+#[cfg(unix)]
 fn process_exists_os(pid: u32) -> bool {
 	// SAFETY: `kill` with signal 0 performs existence/permission checks only and
 	// does not deliver a signal.
@@ -558,3 +559,18 @@ fn process_exists_os(pid: u32) -> bool {
 		.unwrap_or_default();
 	err == libc::EPERM
 }
+
+#[cfg(windows)]
+fn process_exists_os(pid: u32) -> bool {
+	let pid = sysinfo::Pid::from_u32(pid);
+	let mut system = sysinfo::System::new();
+
+	system.refresh_processes(sysinfo::ProcessesToUpdate::Some(&[pid]), true);
+	system.process(pid).is_some()
+}
+
+#[cfg(not(any(unix, windows)))]
+fn process_exists_os(pid: u32) -> bool {
+	let _ = pid;
+	false
+}
diff --git a/packages/core/src/utils/http.rs b/packages/core/src/utils/http.rs
index ba89723e..8507386d 100644
--- a/packages/core/src/utils/http.rs
+++ b/packages/core/src/utils/http.rs
@@ -88,7 +88,7 @@ fn get_ratelimit_reset(headers: &reqwest::header::HeaderMap) -> Option<u64> {
 pub async fn send_request(request: reqwest::Request) -> LauncherResult<reqwest::Response> {
 	if let Some(host) = request.url().host_str() {
 		if host == "api.modrinth.com" {
-			let start = std::time::Instant::now();
+			let _start = std::time::Instant::now();
 			MODRINTH_RATE_LIMITER.until_ready().await;
 		}
 	}
@@ -151,7 +151,7 @@ pub async fn fetch_advanced(
 	if let Ok(parsed_url) = reqwest::Url::parse(url) {
 		if let Some(host) = parsed_url.host_str() {
 			if host == "api.modrinth.com" {
-				let start = std::time::Instant::now();
+				let _start = std::time::Instant::now();
 				MODRINTH_RATE_LIMITER.until_ready().await;
 			}
 		}