Common Installation Errors

19 May 20213 minutes to read

This article describes the most common installation errors, as well as the causes and solutions to those errors.

Unlocking the license installer using the trial key

Problem

Error Message: Sorry, the provided unlock key is a trial unlock key and cannot be used to unlock the licensed version of our Essential Studio for Flutter installer.

Alert Message

Reason

You are attempting to use a Trial unlock key to unlock the licensed installer.

Suggested solution

Only a licensed unlock key can unlock a licensed installer. So, to unlock the Licensed installer, use the Licensed unlock key. To generate the licensed unlock key, refer to this article.

License has expired

Problem

Error Message: Your license for Syncfusion Essential Studio for Flutter has been expired since {date}. Please renew your subscription and try again.

Online Installer

Warning Message

Reason

This error message will appear if your license has expired.

Suggested solution

You can choose from the options listed below.

  1. You can renew your subscription here.
  2. You can get a new license here.
  3. You can reach out to our sales team by emailing salessupport@syncfusion.com.
  4. You can also extend the 30-day trial period after your license has expired.

Unable to find a valid license or trial

Problem

Error Message: Sorry, we are unable to find a valid license or trial for Essential Studio for Flutter under your account.

Offline installer

Alert Message

Online installer

Warning Message

Reason

The following are possible causes of this error:

  • When your trial period expired
  • When you don’t have a license or an active trial
  • You are not the license holder of your license
  • Your account administrator has not yet assigned you a license.

Suggested solution

You can choose from the options listed below.

  1. You can get a new license here.
  2. Contact your account administrator.
  3. Send an email to clientrelations@syncfusion.com to request a license.
  4. You can reach out to our sales team by emailing salessupport@syncfusion.com.

Unable to install because of another installation

Problem

Error Message: Another installation is in progress. You cannot start this installation without completing all other currently active installations. Click cancel to end this installer or retry to attempt after currently active installation completed to install again.

Warning Message

Reason

You are trying to install when another installation is already running in your machine.

Suggested solution

Open and kill the msiexec process in the task manager and then continue to install Syncfusion. If the problem is still present, restart the computer and try Syncfusion installer.

  1. Open the Windows Task Manager.

  2. Browse the Details tab.

  3. Select the msiexec.exe and click End task.

Task Manager

Unable to install due to controlled folder access

Problem

Offline:

Error Message: Controlled folder access seems to be enabled in your machine. The provided install or samples location (e.g., Public Documents) is protected by the controlled folder access settings.

Warning Message

Online:

Error Message: Controlled folder access seems to be enabled in your machine. The provided install, samples, or download location (e.g., Public Documents) is protected by the controlled folder access settings.

Warning Message

Reason

You have enabled controlled folder access settings on your computer.

Suggested solution

Select a different location to install or deactivate your machine’s controlled folder access settings, and then try installing.