Freezes in Windows 8, "material changes may not have been detected.

A few days ago my laptop speakers have not worked or stopped working suddenly, although it reinstall the drivers. Last night, I installed a group of updates (not counting the 8.1) to my computer and that seemed to solve the problem of speaker but ever since then it has been freezing. First regardless of the application I have open (google chrome, my antivirus software, whatever it is) suddenly doesn't respond. Then, the entire computer freezes - the clock to stop, I can't click on anything whether or get into the Task Manager but the mouse still moves. This stage lasts 30 minutes and arrives at least once every two hours - usually, I pressed the power button to turn off, but last night I just closed the lid and went to sleep. This morning, I ran the hardware and devices Troubleshooter and received the message that "material changes may not have been detected. I don't know what to do.

Hello, Léa,.

Please provide detailed information about your question. I appreciate the step by step troubleshooting, and pain that you have taken to resolve your problem. However, there are a few steps more that we can try to diagnose the root cause.

The error message you get may be due to a service that is not running or if the race is not defined as automatic.

You can try the steps below to check the status of service.

  1. Press the Windows key + R, type services.msc in the Run dialog box and press ENTER.
  2. Look for Windows Installer service.
  3. Check if it is started, if not, right click on the service and click Start.
  4. Right-click on the Windows Installer service and select Properties.
  5. In startup type, select Automatic.
  6. Then click on apply and OK.

If the problem persists, you can follow the steps in the Microsoft article provided below and check if that helps.

8.1 Windows, Windows 8 or Windows 7 hangs or freezes

Note: The data files that are infected must be cleaned only by removing the file completely, which means that there is a risk of data loss.

Hope it would help. If problem persists always post back with the current state of your computer and the result of the proposed suggestion, we will be happy to help you.

Thank you.

Tags: Windows

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