How to Fix a Computer Crash: Resolve Errors & Freezes

Fix errors, crashes and freezes

System Mechanic safely repairs errors and fragmentation, cleans out clutter and tunes up your PC so it runs smoothly, reliably and faster.

Why Your Computer Might Crash or Freeze

Computers may crash or freeze due to various reasons such as software conflicts, hardware issues, insufficient system resources, or outdated drivers. Identifying the specific cause is crucial for effective troubleshooting and resolving these disruptions in your computing experience.

How to Fix Your Computer When it Freezes or Crashes

When faced with a computer freeze or crash, understanding what causes the computer to crash is essential. Common culprits include software conflicts, hardware issues, or outdated drivers. To fix a computer freeze, updating drivers, resolving software conflicts, and addressing errors on the computer are effective solutions. Implementing these steps ensures a smoother computing experience and mitigates the impact of crashes and freezes.

What System Mechanic does to fix your PC

  • Updates critical device drivers
  • Repairs and compacts registry
  • Eliminates memory leaks
  • Fixes random crashes and restarts
  • Revives unstartable systems
  • Repairs and prevents corrupted drives
  • Fixes security vulnerabilities
  • Repairs broken internet connections
  • Scans for and replaces out-of-date drivers
  • Automatically maintains PC health with patented ActiveCare® technology

Automatically fixes hundreds of perplexing errors
in just one step.

Dozens of tools work together to diagnose and automatically resolve virtually any problem.

System Mechanic knows what to fix

System Mechanic is radically different and much more effective than one-size-fits-all “utility” or “cleaner” type products on the market today. Iolo Labs provides intelligent live updates, called Tune-up Definitions™, based on analysis of repair and optimization results from millions of PCs worldwide.

Tune-up Definitions teach System Mechanic about the latest PC performance issues as they manifest and evolve in real time, keeping the product agile, safe, and powerful. It’s the brains behind its success, providing intelligence about the impact of specific settings, programs, and services unique to your PC.

Finally, a safe and fast problem solver that anyone can use

No matter what your experience level, System Mechanic is the #1 best-selling performance software, because it makes fixing and tuning up your own PC convenient and trouble-free with both fully automatic and self-directed options — plus it just works!

System Mechanic provides complete ease and flexibility to help you speed up your PC no matter what your experience level:

Individual Tools

Such as Startup Optimizer™ and EnergyBooster™ for users who want total control.

All-in-one Tools

Such as PC Cleanup™ that automatically detects and cleans out temporary files and other useless data.

Patented Technology

Automatically and effortlessly fix and maintain your PC during idle time, keeping your system running like new.

See short videos of System Mechanic in action

Learn about System Mechanic features that fix and maintain your PC

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What is iolo's Whole Home License?

The Whole Home License® is iolo’s licensing policy that allows you to install and keep your software running on all of your compatible devices within the same home. Previously, users were allowed to install and license their iolo software simultaneously on a maximum of three PCs. Under the Whole Home License, a single activation key allows you to use your iolo software on all of your PCs, other than any PCs you use for business purposes. What you need to know about Whole Home Licensing

  • You, your spouse, and your relatives living within the same household may use the same license on any number of PCs that you own which are not used for business.
  • For full legal terms and conditions, see

To install your iolo product on additional PCs:

  1. On the additional computer, download the latest version of your iolo product. Choose from the list of downloads offered here.
  2. Follow the steps in the installation wizard, and enter the same Activation Key that you used to install on your original computer.

You can view the Activation Key on the original computer from within System Mechanic > red menu bar > key icon > Activation Key.