How to Remove Client Files Remaining on System after Uninstalling Receiver for Windows. Run the following tool CTX1. Receiver Clean Up Utility. After uninstalling Receiver and restarting the system, the following steps guide to remove any unnecessary files manually that might have been left on the client system. It is important to remember that certain items mentioned in the following section might not exist on your system depending on the Receiver package used for the installation and how the package was deployed, for example per machine against per user installation. More information on this is available in the Receiver and Plug ins section of the Citrix e. This article explains how to remove client files remaining on system after uninstalling Receiver for Windows. Citrix Ica Client Clean Uninstall Microsoft' title='Citrix Ica Client Clean Uninstall Microsoft' />Docs for your version. Following are the steps for cleaning up the file system On the system in use, show all hidden system files and folders Explorers Tools Folder Options menu item. In the userprofileApp. Data folder. Delete the ICAClient folder if it exists. If the Program Neighborhood Agent was present on the system, the following folder might also exist and should be deleted CitrixPNAgent. For more recent Citrix Receiver releases, remove the following folders in App. Data if they exist CitrixReceiverCitrixAuth. Figure-255.png' alt='Citrix Ica Client Clean Uninstall Microsoft' title='Citrix Ica Client Clean Uninstall Microsoft' />ManagerCitrixSelf. Service. On Windows 7, the files and folders mentioned in the preceding must be deleted in both of the following locations App. DataLocalApp. DataRoaming. Repeat everything mentioned in preceding Step 2 for the C UsersDefault folder as well C Documents and SettingsDefault User on Windows XP. If they exist, ensure the following folders are removed from the directory in which the Receiver was installed. For example, the default install directory is programfilesCitrix programfilesx. Citrix on 6. 4 bit systems. CitrixICA ClientprogramfilesCitrixAuth. ManagerprogramfilesCitrixSelf. Service. Plugin. Complete the following steps to clean up the system registry Caution Refer to the Disclaimer at the end of this article before using Registry Editor. Using Registry Editor, navigate to the HKEYCLASSESROOT key and delete the following keys if they exist Citrix. ICAClient delete all instances that exist such as Citrix. ICAClient. 2 or Citrix. ICAClient. 2. 1Citrix. What client OS What VDI OS What VDA version How are you connecting internal, or NetScaler Gateway Do you have Skype Optimization Pack installed B1WSB1WS. B1WSB1WS. suoB1WSWeb. B1WSWebIIS6. configB1WSWebIIS7. B1WSAppCodeB1WSHandler. ICAClient. Propdelete all instances such as Citrix. ICAClient. Prop. 2 or Citrix. Welding Tolerance Iso 13920. ICAClient. Prop. 2. In the CLSID key, delete any keys whose names begin with 2. FInstallerUpgrade. Codes9. B1. 23. F4. B5. 45. 21. 47. 9D0. EDD3. 89. BCACC1. MimeDatabaseContent Typeapplicationx ica. Wfica. Win. Frame. ICAICA Client. Navigate to HKEYCURRENTUSER and delete the following in  SOFTWARECitrix if they exist. ICA Client. PNAgent. Dazzle. Printer. Properties. Receiver. Xen. DesktopDesktop. Viewer. Navigate to HKEYLOCALMACHINESOFTWARE and delete the following keys if they exist these keys are located in HKEYLOCALMACHINESOFTWAREWow. Node on 6. 4 bit systems CitrixAuth. Manager. CitrixCitrix. CABCitrixDazzle. CitrixICA Client. CitrixReceiver. Inside. CitrixPNAgent. CitrixPlugin. PackagesXen. App. Suite. CitrixXen. DesktopDesktop. Viewer. In CitrixInstall, delete the following keys if they exist. F3. 21. B9 4. 5B0 4. D DE3. D9. 8CBCA1. CICA Client. PNAgent. Desktop. Viewer. Receiver. Inside. For. Online. MUIDepending on the Receiver package installed, delete one of the following keys in MicrosoftWindowsCurrent. VersionUninstall if they exist. Citrix. Online. Plugin. Full. Citrix. Online. Plugin. Pack. Web. After uninstalling the Receiver software, any custom Receiver side registry keys that icaclient. If you reinstall Receiver, these policies might be enforced possibly causing unexpected behavior. If you want to remove these customizations as well, delete the following ICA Client keys HKEYLOCALMACHINESoftwarePoliciesCitrixICA Client. HKEYCURRENTUSERSoftwarePoliciesCitrixICA Client. On 6. 4 bit systems, ensure that the HKEYLOCALMACHINESoftwareWow. NodePoliciesCitrixICA Client key does not exist either. For each users registry hive in HKEYUSERS, delete the following keys in SOFTWARECitrix if they exist example HKEYUSERSS 1 5 1. SoftwareCitrix ICA Client. Dazzle. Receiver. Printer. Properties. PNAgent. Program Neighborhood Agent. Repeat everything in Step 5 in the key HKEYUSERS. DEFAULTSoftwareCitrix.