• Citrix Workspace App
• Receiver for Windows

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Symptoms or Error

When launching an application or desktop via an Internet Browser (Google Chrome, Firefox, Internet Explorer, etc.) users are prompted to save or download the '.ica' file.

Solution

In recent releases of IE, Edge, Google Chrome, Firefox, and latest Citrix Workspace App clients many of the issues mentioned below have been resolved.
By default, the OS (Windows, Mac, Linux) should automatically set how to open '.ica' files when trying to launch any resource via Citrix Workspace or Citrix Storefront via the Web Store if the Citrix Workspace App is installed properly.
Confirm Citrix Workspace App is installed or use Citrix Workspace App for HTML5 ('Web Browser' option) instead.
If you continue to encounter this behavior please review the steps outlined below.

There can be a number of resolutions to the issue including but not limited to the following:

Install the Latest Version of Citrix Workspace App

Install the latest Citrix Workspace App version which can be downloaded here: Download Citrix Workspace App

Automatically Open ICA Files

When clicking on an application or desktop to launch via Citrix Workspace or Citrix Storefront on an Internet Browser (not within Citrix Workspace App) and an '.ica' file shows in the download bar on the bottom left please follow these steps to automatically open said file:
ICA file is downloaded during the process. After the ICA file is downloaded, enable the browser to open similar files automatically.
Note: Instructions below are similar for other OS's when using Google Chrome, Firefox, or Edge Browsers.

1. Navigate to the Citrix Workspace Store or Citrix Storefront Store
2. Select the resource you are trying to access - Application or Desktop
3. You will receive a notification on the bottom of the browser to 'Open, Save, Cancel'
4. Select the Save.
5. The download bar will now show to 'Open, Open Folder, View Downloads',
6. Select the drop-down list next to 'Open' and select 'Open With'
7. Find and select 'Connection Manager'

1. Navigate to the Citrix Workspace Store or Citrix Storefront Store
2. Select the resource you are trying to access - Application or Desktop
3. Chrome will prompt a dialog box to save the '.ica' file
4. Hit save to save it in the 'Downloads folder'
5. On the bottom left you will see the file, click the '^' which is the drop-down list for the file in the download bar and select 'Always Open Files of This Type'

1. Navigate to the Citrix Workspace Store or Citrix Storefront Store
2. Select the resource you are trying to access - Application or Desktop
3. Firefox will prompt you with a dialog box to save the '.ica' file
4. Select 'Do this automatically for files like this from now on'
5. Select 'Open With' and click 'Browse'
6. Select 'Connection Manager'

1. Navigate to the Citrix Workspace Store or Citrix Storefront Store
2. Select the resource you are trying to access - Application or Desktop
3. Edge automatically saves the file to the downloads folder by default
4. On the bottom left you will see the file, click the '...' which is the drop-down list for the file in the download bar and select 'Always Open Files of This Type'

Associate .ica File Type With Citrix Connection Manager

1. On Windows computers, go to Control Panel > Settings > Apps > Default apps > Choose default apps by file type

2. Under Name, find .ica file type.

3. Ensure that the current default is set to Citrix Connection Manager. If not, click Change program and choose Citrix Connection Manager.

Note: Connection Manager is the wfcrun32 file located as C:Program Files (x86)CitrixICA Clientwfcrun32.exe

Remove or Disable Third Party Browser Adware

Remove or disable any third party browser based Adware software that could be interfering with the successful launch of the ICA file. Restart the browser after removing these software and try again.

Clear the 'Do not save encrypted data to disk' Option

If you are using Internet Explorer, click Tools > Internet Options > Advanced tab and clear the option “Do not save encrypted data to disk.”. This option should be cleared because the dynamic files are stored in the Temporary Internet Files folder. When applications are clicked, a file is downloaded to the folder, then launched using MIME type. If access to the folder is disabled or not available, the process cannot occur successfully.

Below are for older Browser/Citrix Receiver Deployments:

Add Website to Trusted Sites

Add the site to the Trusted sites list if using Internet Explorer browser using the following steps:

1. Go to Tools > Internet Options > Security tab > Sites

2. In the Add this website to the zone field, enter your organization's website and click Add.

3. Repeat this for the .com, .net, .org, or .gov Web site addresses of your organization to allow the use of the ActiveX ICA client object for the launched connection to be automatically accepted.
   Note: It might be required to also add any additional subdomain.domain.com URLs to the Trusted sites list in the Security tab setting if still experiencing unwanted prompts.
   

Disable ActiveX Filtering (Enable ActiveX)

Configure Internet Explorer as follows to allow successful application launching:

1. Disable ActiveX filtering feature for the Web Interface site, either by:

• Disabling ActiveX filtering globally:
  Click Gear icon, select Safety, de-select ActiveX Filtering. Alternatively, press Alt key and click Tools menu (ActiveX filtering is enabled if a “tick” appears next to it and is disabled if the “tick” disappears).

  Or

• Disabling ActiveX filtering for an individual site when ActiveX filtering is enabled globally:

  1. Log on to the Web Interface site and attempt to launch an application. At the end of the address bar a blue warning sign appears, indicating filtered content.

  2. Click the blue warning sign and select Turn off ActiveX Filtering.
     

2. Enable ICA launch using one of the following options:

• Add the site to the Trusted sites list: In the Security tab of Internet Options, add the Web Interface site to Trusted Sites list to allow the use of the ActiveX ICA client object for the launch.

  Or

• Disable the MIME filter: Rename the following registry key: HKEY_CLASSES_ROOTPROTOCOLSFilterapplication/x-ica

3. Log off and close window then restart the browser after making this change.
   

Enable Citrix ICA Client plugin

Configure Internet Explorer as follows to allow successful application launching:

1. Enable Citrix ICA Client IE plugin by following the steps below:
   • Launch Internet Explorer
   • Go to Tools > Manage add-ons
   • Select Citrix ICA Client plugin and click Enable

Problem Cause

There can be a number of reasons for the issue including but not limited to:

• The *.ica file on the client needs to be associated with Citrix Workspace App
• Outdated Internet Browsers in use

Additional Resources

• CTX139939 - Microsoft Internet Explorer 11 - Citrix Known Issues

• CTX200889 - Receiver for Web Workaround with NPAPI Support Removal in Google Chrome

• CTX126653 – Citrix Online Plug-in for Windows with Internet Explorer 9 Support

• Citrix Discussions - IE 11 (Website cannot find required software)

Disclaimer

Here’s Why Your Citrix Receiver Is Not Launching a Desktop

There are a number of possible reasons why a Citrix Receiver is not launching a desktop. To minimize lengthy user downtimes caused by desktops unable to launch, it’s important to understand the most common underlying issues and learn how to address them.

The Citrix infrastructure is notoriously complex. Determining the cause of a seemingly simple issue can take a great deal of time.

Outdated Version of Citrix Receiver

Sometimes the problem can be as simple as having an outdated version of Citrix Receiver. This can be avoided by making sure all users have the latest version.

Citrix Remote Desktop Mac Download Windows 10

User Account Lacking Permissions

In some cases, users who log in with a regular domain user account can’t launch enumerated applications and desktops when using Citrix Receiver with non-elevated permissions—but can launch them when using Receiver with elevated permissions. Check if the user account has full permissions for the client-side Registry Key:

HKEY_USERSUSER_SIDSOFTWARECitrix

If it doesn’t, back up and then delete the Citrix Registry Key and restart Citrix Receiver to recreate the Registry key with the required permissions.

Note: The following sections apply to Citrix infrastructures using NetScaler Gateway.

Fully Exhausted User License

Unsuccessful desktop launches can also happen when the number of users attempting to connect exceeds the maximum users allowed. You can verify this in the NetScaler configuration utility by going to NetScaler Gateway > Virtual Server. If the values for Maximum Users and Current Users are equal, your license has been exhausted. To accommodate more users, install an additional Universal License and then increase the maximum users in Global Settings > Change Authentication AAA Settings.

Mismatching STA Paths in NetScaler and StoreFront/Web Interface

Another possible cause is that the Secure Ticket Authority (STA) paths in NetScaler might not match the STA paths in either StoreFront or Web Interface. To prevent this, make sure the STA servers you add in the NetScaler Gateway wizard are also added in StoreFront and Web Interface.

These are just some of the many possible causes and solutions when Citrix Receiver is not launching a desktop.

Avoid Citrix Receiver Desktop Launch Issues for Good

Issues like Citrix Receiver not launching a desktop can severely impact user productivity. Unfortunately, the excessively sophisticated makeup of Citrix’s architecture makes it very susceptible to a lot of issues like this.

We suggest you try Parallels® Remote Application Server (RAS), a virtual application and desktop delivery solution with a simplified architecture that makes it easy to pinpoint the root cause of any issue. That plus the fact that Parallels RAS provides precise information about any log-on issue/error can save IT and users much needed time.

References

Parallels | https://www.parallels.com/blogs/ras/citrix-receiver-not-launching-applications/

Citrix Remote Desktop Mac Download Free

StackOverflow | https://stackoverflow.com/questions/53299785/citrix-remote-desktop-not-working-on-new-computer

Goliath Technologies | http://goliathtechnologies.com/wp-content/uploads/2018/09/LOD-Guide.pdf

Citrix Remote Desktop Download Mac

JGSPIERS | https://www.jgspiers.com/citrix-receiver-launch-ica-file-does-not-open-nothing-happens/

Citrix Desktop Download

Reddit | https://www.reddit.com/r/Citrix/comments/7u0sb5/applications_not_launching/