diff --git a/lib/Service/Install/ConfigureCheckService.php b/lib/Service/Install/ConfigureCheckService.php
index d99ed387a4..158af002b6 100644
--- a/lib/Service/Install/ConfigureCheckService.php
+++ b/lib/Service/Install/ConfigureCheckService.php
@@ -437,11 +437,35 @@ private function checkJava(): array {
 					];
 				}
 				if (!str_contains($matches['encoding'], 'UTF-8')) {
+					$detectedEncoding = trim($matches['encoding']);
+					$phpLocale = setlocale(LC_CTYPE, 0);
+					$phpLcAll = getenv('LC_ALL');
+					$phpLang = getenv('LANG');
+
+					$tip = sprintf(
+						"Java detected encoding \"%s\" but UTF-8 is required.\n\n"
+						. "**Current PHP environment:**\n"
+						. "- LC_CTYPE: %s\n"
+						. "- LC_ALL: %s\n"
+						. "- LANG: %s\n\n"
+						. "**To fix this issue:**\n"
+						. "1. Set LC_ALL and LANG environment variables (e.g., LC_ALL=en_US.UTF-8) for your web server user\n"
+						. "2. Restart your web server after making changes\n"
+						. "3. Verify with command: `locale charmap` (should return UTF-8)\n\n"
+						. 'For more details, see: [Issue #4872](https://github.com/LibreSign/libresign/issues/4872)',
+						$detectedEncoding,
+						$phpLocale ?: 'not set',
+						$phpLcAll ?: 'not set',
+						$phpLang ?: 'not set'
+					);
 					return $this->result['java'] = [
 						(new ConfigureCheckHelper())
-							->setInfoMessage('Non-UTF-8 encoding detected. This may cause issues with accented or special characters')
+							->setInfoMessage(sprintf(
+								'Non-UTF-8 encoding detected: %s. This may cause issues with accented or special characters',
+								$detectedEncoding
+							))
 							->setResource('java')
-							->setTip(' Ensure the system encoding is UTF-8. You can check it using: locale charmap'),
+							->setTip($tip),
 					];
 				}
 				return $this->result['java'] = [
diff --git a/src/views/Settings/ConfigureCheck.vue b/src/views/Settings/ConfigureCheck.vue
index 16a655bef6..03f1a30996 100644
--- a/src/views/Settings/ConfigureCheck.vue
+++ b/src/views/Settings/ConfigureCheck.vue
@@ -20,7 +20,9 @@
 					</td>
 					<td v-html="row.message" />
 					<td>{{ row.resource }}</td>
-					<td>{{ row.tip }}</td>
+					<td class="tip-cell">
+						<NcRichText :text="row.tip" :autolink="true" :use-markdown="true" />
+					</td>
 				</tr>
 			</tbody>
 		</table>
@@ -29,6 +31,7 @@
 <script>
 import { translate as t } from '@nextcloud/l10n'
 
+import NcRichText from '@nextcloud/vue/dist/Components/NcRichText.js'
 import NcSettingsSection from '@nextcloud/vue/components/NcSettingsSection'
 
 import { useConfigureCheckStore } from '../../store/configureCheck.js'
@@ -36,6 +39,7 @@ import { useConfigureCheckStore } from '../../store/configureCheck.js'
 export default {
 	name: 'ConfigureCheck',
 	components: {
+		NcRichText,
 		NcSettingsSection,
 	},
 	setup() {
@@ -61,4 +65,9 @@ table {
 .info {
 	color: orange;
 }
+.tip-cell {
+	white-space: normal;
+	word-wrap: break-word;
+	max-width: 500px;
+}
 </style>