Error windows xp really slow i o error 0xc000009c is one of the most common Windows errors users may encounter in daily lives. This error, like other Windows errors, this error also appears in different circumstances. After receiving the error, you should read this article and learn if your file on your computer is important to you, please fix this error. The most valuable thing is the data stored on computer and some Windows error may lead to data directly or indirectly. This article covers solutions to a few error cases.


A few problems that you may face in your computer:

This error may cause thatPC crash and run slowly, program not run, game not be opened.


The error message is following:

"An unexpected error has occurred. The trouble shooting wizard can't continue." Sometimes you can see (windows xp really slow i o error 0xc000009c) error in advanced dialog box.
How did you get windows xp really slow i o error 0xc000009c?

The error windows xp really slow i o error 0xc000009c largely occurs because of the following reasons:

  • Urgent windows service not run
  • Not enough memory resource
  • Site crashed
  • Disk access error configs problem
  • Dependency base component corrupt
windows xp really slow i o error 0xc000009c------Solution to repair it?
Advanced Method

Step 1:
Temporarily Disable Windows Firewall Setting
  • Type Windows Firewall in the Start menu search box
  • Click on Windows Firewall.
  • Click on "Turn Windows Firewall On or Off"
  • In Private network Setting, select "Turn off Windows firewall (not recommended)"
  • Do the same for Public Network Setting.Disable Windows Firewall
  • Press OK.
Note: After the issue is resolved you must turn the Windows Firewall on again.
Step 2:
Temporarily Disable any installed third Party antivirus software.
Sometimes the antivirus / malware / adware / firewall program marks the Microsoft Windows Installer file as junk and prevents it from being installed. Please refer to your vendor's website to temporarily disable it. Once the installation is complete, you can open it again. In most cases, Microsoft Windows Update Error windows xp really slow i o error 0xc000009c should be resolved after these operations. However, if the problem persists, follow the method below.

Recommended: windows xp really slow i o error 0xc000009c

  • Follow these 3 steps to repair windows xp really slow i o error 0xc000009c error easily:
  • Step 1: Download SmartPCFixer and Launch the software.
  • Step 2: Run the software and click Quick Scan.
  • Step 3: Click Fix All to fix all PC errors with one click.
  • Congratulations, error removed completely!

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