I set options to: "Show my windows and tabs from last time". But, when I start Firefox, it does not save this option and reverts to the default option. I've tired disabling add-ons and refreshing Firefox, but the problem still occurs. Troubleshoot report: Application Basics ------------------ Name: Firefox Version: 36.0 User Agent: Mozilla/5.0 (Windows NT 6.0; rv:36.0) Gecko/20100101 Firefox/36.0 Multiprocess Windows: 0/1 Crash Reports for the Last 3 Days --------------------------------- Report ID: bp-fb4e0890-4a04-4323-ab6d-9b0ef2150304 Submitted: 19 hours ago All Crash Reports Extensions ---------- Name: Google Translator for Firefox Version: 2.1.0.3m Enabled: true ID: [email protected] Name: Norton Toolbar Version: 2014.7.10.26 Enabled: true ID: {2D3F3651-74B9-4795-BDEC-6DA2F431CB62} Name: Microsoft .NET Framework Assistant Version: 0.0.0 Enabled: false ID: {20a82645-c095-46ed-80e3-08825760534b} Graphics -------- Adapter Description: NVIDIA GeForce GTX 260 Adapter Drivers: nvd3dum nvwgf2um,nvwgf2um Adapter RAM: 896 Device ID: 0x05e2 Direct2D Enabled: true DirectWrite Enabled: true (7.0.6002.23200) Driver Date: 7-2-2014 Driver Version: 9.18.13.4052 GPU #2 Active: false GPU Accelerated Windows: 1/1 Direct3D 11 (OMTC) Subsys ID: 12603842 Vendor ID: 0x10de WebGL Renderer: Google Inc. -- ANGLE (NVIDIA GeForce GTX 260 Direct3D9Ex vs_3_0 ps_3_0) windowLayerManagerRemote: true AzureCanvasBackend: direct2d AzureContentBackend: direct2d AzureFallbackCanvasBackend: cairo AzureSkiaAccelerated: 0 Important Modified Preferences ------------------------------ browser.cache.disk.capacity: 358400 browser.cache.disk.smart_size.first_run: false browser.cache.frecency_experiment: 4 browser.places.smartBookmarksVersion: 7 browser.sessionstore.upgradeBackup.latestBuildID: 20150222232811 browser.startup.homepage: http://my.myway.com/index.jsp?speedbarconfigchanged browser.startup.homepage_override.buildID: 20150222232811 browser.startup.homepage_override.mstone: 36.0 extensions.lastAppVersion: 36.0 gfx.direct3d.last_used_feature_level_idx: 1 media.gmp-gmpopenh264.lastUpdate: 1425537886 media.gmp-gmpopenh264.version: 1.3 media.gmp-manager.lastCheck: 1425537884 network.cookie.prefsMigrated: true places.history.expiration.transient_current_max_pages: 80469 plugin.disable_full_page_plugin_for_types: application/pdf plugin.importedState: true privacy.sanitize.migrateFx3Prefs: true Important Locked Preferences ---------------------------- JavaScript ---------- Incremental GC: true Accessibility ------------- Activated: false Prevent Accessibility: 0 Library Versions ---------------- NSPR Expected minimum version: 4.10.7 Version in use: 4.10.7 NSS Expected minimum version: 3.17.4 Basic ECC Version in use: 3.17.4 Basic ECC NSSSMIME Expected minimum version: 3.17.4 Basic ECC Version in use: 3.17.4 Basic ECC NSSSSL Expected minimum version: 3.17.4 Basic ECC Version in use: 3.17.4 Basic ECC NSSUTIL Expected minimum version: 3.17.4 Version in use: 3.17.4 Experimental Features ---------------------