diff --git a/.gitignore b/.gitignore
index ab59bd2..24a8876 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,4 @@ logs/
 bin/
 *.exe
 *.dll
+projects.json
diff --git a/logs/nginx.pid b/logs/nginx.pid
index ebd1b4f..774222b 100644
--- a/logs/nginx.pid
+++ b/logs/nginx.pid
@@ -1 +1 @@
-39708
+23324
diff --git a/src/main/ipc/index.ts b/src/main/ipc/index.ts
index 71a8351..cff5cda 100644
--- a/src/main/ipc/index.ts
+++ b/src/main/ipc/index.ts
@@ -60,13 +60,12 @@ export function registerIpcHandlers(): void {
                     const phpPort = portMappingService.getPhpPort(p.phpVersion)
                     const normalizedPath = p.path.replace(/\\/g, '/')
                     return `
-        location /${p.host} {
-            alias "${normalizedPath}";
+        location /${p.host}/ {
+            alias "${normalizedPath}/";
             index index.php index.html;
             try_files $uri $uri/ /${p.host}/index.php?$query_string;
 
-            location ~ ^/${p.host}/(.+\\.php)$ {
-                alias "${normalizedPath}/$1";
+            location ~ \.php$ {
                 fastcgi_pass 127.0.0.1:${phpPort};
                 fastcgi_index index.php;
                 fastcgi_param SCRIPT_FILENAME $request_filename;
@@ -140,7 +139,22 @@ export function registerIpcHandlers(): void {
                 if (!fs.existsSync(dataDir) || fs.readdirSync(dataDir).length === 0) {
                     if (!fs.existsSync(dataDir)) fs.mkdirSync(dataDir, { recursive: true })
                     console.log(`Initializing MySQL data directory for ${serviceName}...`)
-                    await processManager.runOnce(binPath, ['--initialize-insecure', `--datadir=${dataDir.replace(/\\/g, '/')}`])
+
+                    try {
+                        // Try modern initialization first (5.7+)
+                        await processManager.runOnce(binPath, ['--initialize-insecure', `--datadir=${dataDir.replace(/\\/g, '/')}`])
+                    } catch (err) {
+                        console.log(`Modern init failed, trying template copy for ${serviceName}...`)
+                        // Fallback for 5.6: Copy default 'data' folder from binary dir if it exists
+                        const templateDataDir = path.join(mysqlDir, 'data')
+                        if (fs.existsSync(templateDataDir)) {
+                            // Recursively copy template data (mysql, performance_schema, etc.)
+                            fs.cpSync(templateDataDir, dataDir, { recursive: true })
+                            console.log(`Successfully copied template data for ${serviceName}`)
+                        } else {
+                            throw new Error(`MySQL initialization failed and no template data found at ${templateDataDir}`)
+                        }
+                    }
                 }
 
                 const mysqlPort = mysqlId ? (settings.mysqlPorts?.[mysqlId] || '3306') : settings.mysqlPort
@@ -155,6 +169,15 @@ export function registerIpcHandlers(): void {
                 })
 
                 const success = await processManager.startService(serviceName, binPath, ['--defaults-file=' + configPath], false)
+
+                if (success) {
+                    // Quick health check for MySQL
+                    await new Promise(r => setTimeout(r, 1500))
+                    if (!processManager.isServiceRunning(serviceName)) {
+                        return { success: false, message: `${mysqlVersion || ''} MySQL başlatıldı ancak çalışma hatası verdi. Lütfen logları ve port çakışmalarını kontrol edin.` }
+                    }
+                }
+
                 return { success, message: success ? `${mysqlVersion || ''} MySQL başlatıldı.` : `${mysqlVersion || ''} MySQL devreye alınamadı.` }
             }
 
@@ -310,4 +333,24 @@ export function registerIpcHandlers(): void {
             event.sender.send('pma:progress', p)
         })
     })
+
+    ipcMain.handle('services:reset-data', async (_event, serviceName: string) => {
+        try {
+            await processManager.forceKillAll(serviceName)
+
+            const versionMatch = serviceName.match(/^mysql:(.+)$/)
+            const mysqlVersion = versionMatch ? versionMatch[1] : null
+            const mysqlId = mysqlVersion ? `mysql-${mysqlVersion}` : null
+
+            if (!mysqlId) return { success: false, message: 'Geçersiz servis adı.' }
+
+            const dataDir = path.join(configService.getBasePath(), 'data', mysqlId)
+            if (fs.existsSync(dataDir)) {
+                fs.rmSync(dataDir, { recursive: true, force: true })
+            }
+            return { success: true, message: `${serviceName} verileri sıfırlandı. Tekrar başlatmayı deneyebilirsiniz.` }
+        } catch (error: any) {
+            return { success: false, message: `Sıfırlama hatası: ${error.message}` }
+        }
+    })
 }
diff --git a/src/renderer/src/App.tsx b/src/renderer/src/App.tsx
index 3ed4e8e..5d0c74e 100644
--- a/src/renderer/src/App.tsx
+++ b/src/renderer/src/App.tsx
@@ -66,7 +66,8 @@ import {
     Storage as MySQLIcon,
     Language as HostIcon,
     Launch as LaunchIcon,
-    Handyman as ToolsIcon
+    Handyman as ToolsIcon,
+    Restore as ResetIcon
 } from '@mui/icons-material'
 import { useTranslation } from 'react-i18next'
 
@@ -314,6 +315,13 @@ function App(): JSX.Element {
         await fetchLogs(service)
     }
 
+    const handleResetData = async (service: string) => {
+        if (!window.confirm(`${service} verilerini sıfırlamak istiyor musunuz? Bu işlem tüm verileri siler ve temiz kurulum yapar.`)) return
+        const result = await window.api.invoke('services:reset-data', service)
+        alert(result.message)
+        fetchStatus()
+    }
+
     const handleSaveSettings = async () => {
         if (window.api && window.api.saveSettings) {
             const result = await window.api.saveSettings(settings)
@@ -819,9 +827,14 @@ function App(): JSX.Element {
                                             <Typography variant="h6" sx={{ fontWeight: 'bold' }}>MySQL {v.version}</Typography>
                                             <Typography variant="body2" color="text.secondary" sx={{ mb: 2 }}>Port: {settings.mysqlPorts?.[v.id] || v.port}</Typography>
                                             <Box sx={{ display: 'flex', alignItems: 'center', justifyContent: 'space-between' }}>
-                                                <IconButton onClick={() => handleOpenLogs(`mysql:${v.version}`)} size="small" sx={{ bgcolor: 'rgba(255,255,255,0.05)' }}>
-                                                    <TerminalIcon fontSize="small" />
-                                                </IconButton>
+                                                <Box sx={{ display: 'flex', gap: 1 }}>
+                                                    <IconButton onClick={() => handleOpenLogs(`mysql:${v.version}`)} title="Hata Logları" size="small" sx={{ bgcolor: 'rgba(255,255,255,0.05)' }}>
+                                                        <TerminalIcon fontSize="small" />
+                                                    </IconButton>
+                                                    <IconButton onClick={() => handleResetData(`mysql:${v.version}`)} title="Verileri Sıfırla" size="small" sx={{ bgcolor: 'rgba(255,255,255,0.05)', '&:hover': { color: 'error.main' } }}>
+                                                        <ResetIcon fontSize="small" />
+                                                    </IconButton>
+                                                </Box>
                                                 <Switch
                                                     checked={(status[`mysql:${v.version}`] || 'stopped') === 'running' || status[`mysql:${v.version}`] === 'starting'}
                                                     onChange={() => handleToggleService(`mysql:${v.version}`)}