{"id":12642,"date":"2026-03-04T22:22:20","date_gmt":"2026-03-04T22:22:20","guid":{"rendered":"https:\/\/savethevideo.net\/blog\/?p=12642"},"modified":"2026-03-04T22:29:19","modified_gmt":"2026-03-04T22:29:19","slug":"how-to-fix-mslo64-sys-driver-error-in-windows-10-and-11","status":"publish","type":"post","link":"https:\/\/savethevideo.net\/blog\/how-to-fix-mslo64-sys-driver-error-in-windows-10-and-11\/","title":{"rendered":"How To Fix mslo64.sys Driver Error In Windows 10 And 11"},"content":{"rendered":"<p>Seeing the <strong>mslo64.sys driver error<\/strong> on your Windows 10 or Windows 11 PC can feel scary. Blue screens. Random restarts. System freezes. Not fun. The good news? It is usually fixable. And you do not need to be a tech wizard to solve it.<\/p>\n<p><strong>TL;DR:<\/strong> The mslo64.sys error is usually caused by a faulty driver, corrupted system file, or hardware conflict. Start by updating or reinstalling drivers. Then scan your system for corruption and malware. If needed, use System Restore or reset Windows to fix it completely.<\/p>\n<p>Let\u2019s break it down step by step. Simple words. Clear actions. No stress.<\/p>\n<hr>\n<h2>What Is mslo64.sys?<\/h2>\n<p><strong>mslo64.sys<\/strong> is a system driver file. The \u201c.sys\u201d means it helps Windows talk to hardware. It usually connects to specific third-party software or device drivers.<\/p>\n<p>When this file becomes corrupted or incompatible, Windows reacts strongly. That is when you see:<\/p>\n<ul>\n<li><strong>Blue Screen of Death (BSOD)<\/strong><\/li>\n<li>System crashes<\/li>\n<li>Random restarts<\/li>\n<li>Freezing during startup<\/li>\n<li>Error messages mentioning mslo64.sys<\/li>\n<\/ul>\n<p>Now let\u2019s fix it.<\/p>\n<hr>\n<h2>Step 1: Boot Into Safe Mode<\/h2>\n<p>If your PC keeps crashing, start in <strong>Safe Mode<\/strong>. This loads only essential drivers.<\/p>\n<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1619\" src=\"https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-white-building-with-two-windows-and-a-tree-in-the-window-windows-system-restore-window-restore-point-selection-recovery-process-screen.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-white-building-with-two-windows-and-a-tree-in-the-window-windows-system-restore-window-restore-point-selection-recovery-process-screen.jpg 1080w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-white-building-with-two-windows-and-a-tree-in-the-window-windows-system-restore-window-restore-point-selection-recovery-process-screen-200x300.jpg 200w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-white-building-with-two-windows-and-a-tree-in-the-window-windows-system-restore-window-restore-point-selection-recovery-process-screen-683x1024.jpg 683w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-white-building-with-two-windows-and-a-tree-in-the-window-windows-system-restore-window-restore-point-selection-recovery-process-screen-768x1151.jpg 768w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-white-building-with-two-windows-and-a-tree-in-the-window-windows-system-restore-window-restore-point-selection-recovery-process-screen-1025x1536.jpg 1025w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\n<p><strong>How to enter Safe Mode in Windows 10 and 11:<\/strong><\/p>\n<ol>\n<li>Hold <strong>Shift<\/strong> and click <em>Restart<\/em>.<\/li>\n<li>Select <strong>Troubleshoot<\/strong>.<\/li>\n<li>Click <strong>Advanced Options<\/strong>.<\/li>\n<li>Choose <strong>Startup Settings<\/strong>.<\/li>\n<li>Click <strong>Restart<\/strong>.<\/li>\n<li>Press <strong>4<\/strong> for Safe Mode.<\/li>\n<\/ol>\n<p>If the system works fine in Safe Mode, a driver is likely the problem.<\/p>\n<hr>\n<h2>Step 2: Update or Reinstall Drivers<\/h2>\n<p>Old or corrupted drivers are the most common cause.<\/p>\n<p><strong>To update drivers:<\/strong><\/p>\n<ol>\n<li>Right-click the <strong>Start<\/strong> button.<\/li>\n<li>Select <strong>Device Manager<\/strong>.<\/li>\n<li>Look for devices with a yellow warning icon.<\/li>\n<li>Right-click the device.<\/li>\n<li>Click <strong>Update driver<\/strong>.<\/li>\n<\/ol>\n<p>If updating does not help, try reinstalling:<\/p>\n<ol>\n<li>Right-click the device.<\/li>\n<li>Select <strong>Uninstall device<\/strong>.<\/li>\n<li>Restart your PC.<\/li>\n<\/ol>\n<p>Windows will reinstall the driver automatically.<\/p>\n<p><em>Tip:<\/em> Pay special attention to recently installed hardware. That is often the culprit.<\/p>\n<hr>\n<h2>Step 3: Run System File Checker (SFC)<\/h2>\n<p>Sometimes system files get corrupted. Windows has a built-in tool to fix that.<\/p>\n<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"708\" src=\"https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-laptop-computer-sitting-on-top-of-a-desk-command-prompt-window-sfc-scannow-command-windows-repair-process.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-laptop-computer-sitting-on-top-of-a-desk-command-prompt-window-sfc-scannow-command-windows-repair-process.jpg 1080w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-laptop-computer-sitting-on-top-of-a-desk-command-prompt-window-sfc-scannow-command-windows-repair-process-300x197.jpg 300w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-laptop-computer-sitting-on-top-of-a-desk-command-prompt-window-sfc-scannow-command-windows-repair-process-1024x671.jpg 1024w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-laptop-computer-sitting-on-top-of-a-desk-command-prompt-window-sfc-scannow-command-windows-repair-process-768x503.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\n<p><strong>Here is what to do:<\/strong><\/p>\n<ol>\n<li>Type <strong>cmd<\/strong> in the search bar.<\/li>\n<li>Right-click <strong>Command Prompt<\/strong>.<\/li>\n<li>Select <strong>Run as administrator<\/strong>.<\/li>\n<li>Type: <strong>sfc \/scannow<\/strong><\/li>\n<li>Press Enter.<\/li>\n<\/ol>\n<p>Wait patiently. The scan may take 10\u201315 minutes.<\/p>\n<p>If it finds problems, it will try to fix them automatically.<\/p>\n<hr>\n<h2>Step 4: Use DISM Tool<\/h2>\n<p>If SFC does not fix it, try DISM.<\/p>\n<p>In the same Command Prompt window, type:<\/p>\n<ul>\n<li><strong>DISM \/Online \/Cleanup-Image \/RestoreHealth<\/strong><\/li>\n<\/ul>\n<p>Press Enter. Wait for completion. Then restart your PC.<\/p>\n<p>This tool repairs deeper Windows image issues.<\/p>\n<hr>\n<h2>Step 5: Scan for Malware<\/h2>\n<p>Malware can disguise itself as .sys files. Sneaky stuff.<\/p>\n<p>Run a full system scan using:<\/p>\n<ul>\n<li><strong>Windows Security<\/strong><\/li>\n<li>A trusted antivirus program<\/li>\n<\/ul>\n<p><strong>To use Windows Security:<\/strong><\/p>\n<ol>\n<li>Open <strong>Settings<\/strong>.<\/li>\n<li>Click <strong>Privacy &amp; Security<\/strong>.<\/li>\n<li>Select <strong>Windows Security<\/strong>.<\/li>\n<li>Choose <strong>Virus &amp; Threat Protection<\/strong>.<\/li>\n<li>Run a <strong>Full Scan<\/strong>.<\/li>\n<\/ol>\n<p>If anything suspicious appears, remove it immediately.<\/p>\n<hr>\n<h2>Step 6: Check Your RAM<\/h2>\n<p>Faulty memory can trigger driver errors.<\/p>\n<p>Use the built-in memory tool:<\/p>\n<ol>\n<li>Press <strong>Windows + R<\/strong>.<\/li>\n<li>Type <strong>mdsched.exe<\/strong>.<\/li>\n<li>Press Enter.<\/li>\n<li>Choose <strong>Restart now and check for problems<\/strong>.<\/li>\n<\/ol>\n<p>Your PC will restart and scan the RAM.<\/p>\n<p>If errors appear, you may need to replace the memory stick.<\/p>\n<hr>\n<h2>Step 7: Perform System Restore<\/h2>\n<p>If the error started recently, go back in time. Yes, really.<\/p>\n<img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"810\" src=\"https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-yellow-building-with-a-white-window-and-green-trim-windows-system-restore-window-restore-point-selection-recovery-process-screen.jpg\" class=\"attachment-full size-full\" alt=\"\" srcset=\"https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-yellow-building-with-a-white-window-and-green-trim-windows-system-restore-window-restore-point-selection-recovery-process-screen.jpg 1080w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-yellow-building-with-a-white-window-and-green-trim-windows-system-restore-window-restore-point-selection-recovery-process-screen-300x225.jpg 300w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-yellow-building-with-a-white-window-and-green-trim-windows-system-restore-window-restore-point-selection-recovery-process-screen-1024x768.jpg 1024w, https:\/\/savethevideo.net\/blog\/wp-content\/uploads\/2026\/03\/a-yellow-building-with-a-white-window-and-green-trim-windows-system-restore-window-restore-point-selection-recovery-process-screen-768x576.jpg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/>\n<p><strong>To restore your system:<\/strong><\/p>\n<ol>\n<li>Type <strong>Create a restore point<\/strong> in search.<\/li>\n<li>Select <strong>System Restore<\/strong>.<\/li>\n<li>Pick a restore point before the error started.<\/li>\n<li>Follow the instructions.<\/li>\n<\/ol>\n<p>This will not delete personal files. It only affects system settings and drivers.<\/p>\n<hr>\n<h2>Step 8: Reset Windows (Last Resort)<\/h2>\n<p>If nothing works, reset Windows.<\/p>\n<p><strong>Steps:<\/strong><\/p>\n<ol>\n<li>Go to <strong>Settings<\/strong>.<\/li>\n<li>Click <strong>System<\/strong>.<\/li>\n<li>Select <strong>Recovery<\/strong>.<\/li>\n<li>Click <strong>Reset this PC<\/strong>.<\/li>\n<\/ol>\n<p>You can choose:<\/p>\n<ul>\n<li><strong>Keep my files<\/strong><\/li>\n<li><strong>Remove everything<\/strong><\/li>\n<\/ul>\n<p>Choose wisely. Back up important files first.<\/p>\n<hr>\n<h2>Automatic Repair Tools Comparison<\/h2>\n<p>If manual fixes feel overwhelming, repair tools can help. But choose carefully.<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\">\n<tr>\n<th>Tool<\/th>\n<th>Best For<\/th>\n<th>Ease of Use<\/th>\n<th>Cost<\/th>\n<th>Pros<\/th>\n<th>Cons<\/th>\n<\/tr>\n<tr>\n<td>Windows Built in Tools<\/td>\n<td>System file repair<\/td>\n<td>Medium<\/td>\n<td>Free<\/td>\n<td>No download needed, safe<\/td>\n<td>Manual steps required<\/td>\n<\/tr>\n<tr>\n<td>Driver Booster<\/td>\n<td>Updating drivers<\/td>\n<td>Easy<\/td>\n<td>Free and Paid<\/td>\n<td>Automatic scanning<\/td>\n<td>Ads in free version<\/td>\n<\/tr>\n<tr>\n<td>Restoro<\/td>\n<td>System file repair<\/td>\n<td>Easy<\/td>\n<td>Paid<\/td>\n<td>Automated repair<\/td>\n<td>Subscription cost<\/td>\n<\/tr>\n<tr>\n<td>Malwarebytes<\/td>\n<td>Malware removal<\/td>\n<td>Very Easy<\/td>\n<td>Free and Paid<\/td>\n<td>Strong malware detection<\/td>\n<td>Limited features in free version<\/td>\n<\/tr>\n<\/table>\n<p><strong>Tip:<\/strong> Try built-in tools first. They are free and safe.<\/p>\n<hr>\n<h2>Common Causes of mslo64.sys Error<\/h2>\n<ul>\n<li>Outdated drivers<\/li>\n<li>Corrupted Windows files<\/li>\n<li>Malware infection<\/li>\n<li>Faulty RAM<\/li>\n<li>Hardware conflicts<\/li>\n<li>Incomplete Windows update<\/li>\n<\/ul>\n<p>Understanding the cause helps prevent future errors.<\/p>\n<hr>\n<h2>How To Prevent It From Happening Again<\/h2>\n<p>Prevention is easier than repair.<\/p>\n<ul>\n<li>Keep Windows updated.<\/li>\n<li>Update drivers regularly.<\/li>\n<li>Install software from trusted sources only.<\/li>\n<li>Run monthly malware scans.<\/li>\n<li>Avoid sudden shutdowns.<\/li>\n<li>Create restore points before major installs.<\/li>\n<\/ul>\n<p>Small habits. Big protection.<\/p>\n<hr>\n<h2>When Should You Worry?<\/h2>\n<p>If the error:<\/p>\n<ul>\n<li>Happens daily<\/li>\n<li>Appears during startup<\/li>\n<li>Causes data loss<\/li>\n<li>Persists after full reset<\/li>\n<\/ul>\n<p>Then it might be hardware failure. In that case:<\/p>\n<ul>\n<li>Test your hard drive<\/li>\n<li>Check motherboard health<\/li>\n<li>Consult a technician<\/li>\n<\/ul>\n<p>Most cases, though, are software-related. And fully fixable.<\/p>\n<hr>\n<h2>Final Thoughts<\/h2>\n<p>The <strong>mslo64.sys driver error<\/strong> looks dramatic. Blue screens always do. But breathe. Most fixes take under 30 minutes.<\/p>\n<p>Start simple. Update drivers. Run SFC. Scan for malware. Move step by step. Do not skip basics.<\/p>\n<p>Windows 10 and 11 are powerful systems. They just need a little maintenance sometimes.<\/p>\n<p>Now you know how to fix it. No panic required.<\/p>\n<p><strong>Your PC deserves a calm, error-free life.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Seeing the mslo64.sys driver error on your Windows 10 or Windows 11 PC can feel scary. Blue screens. Random restarts. System freezes. Not fun. The good news? It is usually &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"How To Fix mslo64.sys Driver Error In Windows 10 And 11\" class=\"read-more button\" href=\"https:\/\/savethevideo.net\/blog\/how-to-fix-mslo64-sys-driver-error-in-windows-10-and-11\/#more-12642\" aria-label=\"Read more about How To Fix mslo64.sys Driver Error In Windows 10 And 11\">Read more<\/a><\/p>\n","protected":false},"author":88,"featured_media":12645,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[495],"tags":[],"class_list":["post-12642","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How To Fix mslo64.sys Driver Error In Windows 10 And 11 - Save the Video Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/savethevideo.net\/blog\/how-to-fix-mslo64-sys-driver-error-in-windows-10-and-11\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How To Fix mslo64.sys Driver Error In Windows 10 And 11 - Save the Video Blog\" \/>\n<meta property=\"og:description\" content=\"Seeing the mslo64.sys driver error on your Windows 10 or Windows 11 PC can feel scary. 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Blue screens. Random restarts. System freezes. Not fun. The good news? It is usually ... 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