Prevent Windows Error Code 110 from appearing The system cannot open the device or file specified (code 110)
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This page shows you the easy and correct steps required to repair a Windows 110 error. Check it out and finally get rid of this problem.

The Problem

When you are attempting to install the .NET framework to a PC or server, you get the Windows error code 110 when the temp directory appears to be encrypted. This error stops the installation from taking place and needs to be resolved to complete installation.


This is an installation error that can prevent you from adding .NET to a computer or server. As the .NET architecture is a requirement for many software applications to install or run successfully, you need to know precisely what caused the error message to occur and how you can quickly resolve the error message to complete the installation of the .NET architecture.

This error message occurs when the temp file is set to encrypted. The encryption prevents the installation of .NET due to the inability to read and write to that directory effectively for the installation process.

Here are the resolution steps for Windows error code 110:

  • Right click on the Temp folder located at C:\Documents and Settings\User profile\Local
  • Settings\Temp.
  • Click on Properties.
  • Click on Advanced.
  • Click the box next to Encrypt contents to secure data. Make sure that you are unchecking the box.
  • Run the .NET installation.
  • Repeat steps 1 through 4, only this time check the encrypt box to restore the encryption settings that you cleared the first time.

These steps should resolve the error code 110. If you do not use the encryption on a regular basis, you may want to skip step 6 listed above and keep the temp directory un-encrypted to prevent future problems that might occur during a software installation that uses the temp directory to store files while the installation is taking place.

TipFor more information, please see: How to fix Installation error #110

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