Quicktime Error 1402
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noir, Burwood (Christchurch), New Zealand Level 9 "Could not open key: UNKNOWN\Components\[LongStringOfLettersAndNumbers]\[LongStringOfLettersAndNumbe rs]" error messages when installing iTunes for Windows | 24823Views | Last Modified: Oct 3, 2012 5:40 PM SymptomsWhen installing iTunes for Windows
Error 1402 Could Not Open Key Unknown Components Windows 7
on a 64-bit Windows Vista or Windows 7 system, you may see a itunes install error unknown components "Could not open key" error message citing a registry key of the form UNKNOWN\Components\[LongStringOfLettersAndNumbers]\[LongStringOfLettersAndNumbe rs]. For example:Could not open key:UNKNOWN\Components\DA42BC89BF25F5BD0AF18C3B9B1A1EE8\b25099274a207264182f8181add555d0.Verify could not open key unknown components verify that you have sufficient access to that key that you have sufficient access to that key, or contact your support personnelResolutionNote that the following procedure involves a registry edit. Back up your registry prior to proceeding.(1) Do a complete uninstall of
Could Not Open Key Unknown Components Da42bc89bf25f5bd0af18c3b9b1a1ee8
iTunes and related software components as per the instructions in the following document (but do not attempt to reinstall iTunes just yet):Removing and reinstalling iTunes, QuickTime, and other software components for Windows Vista or Windows 7(2) Launch Regedit as an administrator. In your Start Search field, type regedit. Right-click on the Regedit entry that comes up and select "Run as administrator" as per the following
Error 1402 Setup Cannot Open The Registry Key
screenshot:(3) In the left-hand pane of Regedit, click the triangle next to HKEY_LOCAL_MACHINE to expand its contents.(4) Expand the contents of SOFTWARE(5) Expand the contents of Microsoft(6) Expand the contents of Windows(7) Expand the contents of CurrentVersion(8) Expand the contents of Installer(9) Expand the contents of UserData(10) Expand the contents of S-1-5-18(11) Right-click on Components and select "Permissions" as per the following screenshot:(12) In the "Permissions for Components" screen that comes up, click the Advanced button:(13) In the "Advanced Security Settings for Components" screen that comes up, click the "Owner" tab.(14) In the "Owner" tab, check the "Replace owner on subcontainers and objects tickbox, select "Administrators" and click Apply:(14a) If (after clicking Apply) you receive a "Registry Editor could not set owner on the key currently selected, or some of its subkeys" message, click OK:(15) Click OK in the "Advanced Security Settings for Components" screen.(16) Click OK in the "Permissions for Components" screen.(17) Quit out of Regedit.(18) Try installing iTunes using the latest version of the iTunes installer downloaded from the Apple website:http://www.apple.com/itunes/download/Further stepsIf you still receive the same error message when installing iTunes after carrying out the procedure described above, try the following steps.(
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Error 1402 Office 2010 Uninstall
open key: UNKNOWN...' Step-by-Step Instructions for Windows Vista/Seven/Win2K8-Server Users Microsoft Windows users will find the following short tutorial error 1402 office 2013 useful for solving the 'How to fix 'Error 1402. Could not open key: UNKNOWN...' problem which is becoming prevalent in online forum postings. Please use this information at your own discretion. A https://discussions.apple.com/docs/DOC-3581 Quick Overview When installing or un-installing Microsoft Windows component technologies on Windows Vista/Seven/Win2K8-Server (or newer) you may encounter a message box similar to "Error 1402. Could not open key: UNKNOWN\Components\C9AE13788D0B61F80AF18C3B9B1A1EE8\...", This long number is not an "address" as many believe but rather a registry parent container key name (as a GUID) and its child name (as a GUID). The last "\" character separates the http://www.okino.com/conv/changing_windows_registry_permissions.htm two parent/child GUIDs. This is not related to Okino software, but rather to components which are usually provided by Microsoft Corp. The following tutorial will outline our own personal experiences at Okino Computer Graphics of dealing with this problem. We have seen this problem posted in many forums but the simple solution we outline below which has not been properly documented as we have done so here. Windows Vista/Seven/2K8: How to fix 'Error 1402. Could not open key: UNKNOWN...' The error is generally caused by insufficient or incorrect permissions on the named registry keys, or parent container of such registry keys. For Okino, it occurred on multiple occasions after upgrading some of our machines from Windows 2K3 to 2K8 server or from XP to Windows 7, and then upgrading/re-installing Microsoft products or components (Visual Studio and MSXML4 in our case). It is generally a simple matter to fix, once you know how. We recommended that you back-up your computer or at least the registry before taking this action. Microsoft's built-in backup program allows for the "system state" to be selectively backed up. Or, you can ZIP up the "windows\system32\co
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