Troubleshoot Installation Errors - DevExpress Unified Component Installer

• Feb 07, 2024
• 2 minutes to read

This topic lists common installation-related errors and explains how you can fix them.

Installation Log

Open the installation log to review installation errors. Follow the steps below to access the log:

1. Click the Save Log button in the last installation step.

2. Open the installation folder and locate the DevExpressNETComponentsSetup25.2.log file.

Access Denied Error

The installer displays errors and the installation log contains at least one of the following entries:

• CreateProcess failed - 5
• Extract failed: 5
• An exception occurred during the uninstallation of the NupkgRestore.Restorer installer
• Access to the path is denied
• Cannot create directory

Solution

This error occurs when the installer cannot access installation folders. Follow the steps below to resolve the issue:

1. Reboot your machine.
2. Make sure that an antivirus or Windows Defender does not block the installer.
3. Run the installer again.

Note

If the issue persists, configure the following settings:

• Check that you have the Write permission for installation folders. Default installation paths are:

  • C:\Program Files\ - for DevExpress components
  • C:\Users\Public\Documents\ - for DevExpress demos

• If you use your corporate account, make sure its policies allow you to modify public folders.

Toolbox Registration Error

The installer displays the Cannot register toolbox items error, and the log contains the following entry:

• ToolBoxCreator.WinFormControlsCreator.get_EditorsDataSet()

Solution

1. Delete the C:\Users\USERNAME\AppData\Roaming\Microsoft\VisualStudio\17.0\DataBindingSetting\WinFormControls.xml file.
2. Run the installer in Repair mode :

To resolve other toolbox-related issues, please read the following topic: How to resolve issues with Toolbox items.

Common Paths Error

The installer displays the 25.2 installer failed error, and the log contains a non-default path followed by the DemosDir variable:

DemosDir=C:\ProgramData\Microsoft\Windows\Start Menu\Programs\DevExpress Demos 25.2\Components\ (instead of DemosDir=C:\Users\Public\Documents\DevExpress Demos 25.2).

Solution

Ensure that the public Documents folder has the default value in your system: C:\Users\Public\Documents

Exception & Exit Error

If the installer fails and exits, follow the steps below:

1. Run the Windows Event Viewer.

2. Find and save error messages related to the installer.

3. Run the installer with the DEBUG parameter in Command Prompt:

4. Create a ticket in our Support Center and attach errors from the Event Viewer (see step 1) and log file (see step 3).