Welcome to Our Support Center

SmartPCFixer™ is a powerful and easy-to-use system optimization software, it can clean windows registry, remove cache files, repair errors, defrag disk, update windows, download dll, find apps to open file extensions and 20+ other system softwore.

How to fix your PC
  • Step 1
    Download and Install SmartPCFixer
  • Step 2
    Scan Your PC Comprehensively
  • Step 3
    Fix Errors Simply
  • Dll Fix
    If you get Dll not found error, dll damaged, or dll lost problem, you can use this tool to search and download the missing dll to you system.
  • Professional Toolkit
    Scan, diagnose and repair your operating system.
  • Error Repair Wizard
    Scan and fix system issues; Prevent from computer crashes, blue screens, and screen freezes.
  • ActiveX Register
    Re-registering keys for ActiveX and .Dll objects; Solve severe system problems.
  • Shortcuts Cleaner
    Delete the damaged shortcuts from your PC.
  • File Association
    When you have problems in associating a file with an application capable of opening that file, use this option to fix the problem.
  • Winsock2 Fix
    When Winsock2 is damaged, use this tool to fix it.
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About Us

LionSea Software Co., Ltd is a modern company integrating science and technology, industry and trade. It has a technology team of high qualities and first-class employees, including post-doctors with ability in business, management and software development etc.. We stick to the principles:" User First, Product Excellent, Brave in Innovation and Never Stop Improving". Facing huge potential in market and heated competition at home and abroad, we try to work hard and make high-quality products with unbreakable belief. We try to improve the management level and product quality steadily and to make sure that the user to provide the best quality.


"This is really a powerful software, before my computer often crashes, and slow to run, some files can not be opened, with this software, just one click to solve all my computer problems, it is strongly recommended."

---- Laura Evans