The given key was not present in the dictionary.
in the log file I can see:
12:05:48| Error| System.Exception: Échec de l’action
Microsoft.Crm.UpdateWrapper.MspInstallAction. --->
System.Collections.Generic.KeyNotFoundException: The given key was not present
in the dictionary.
at
System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at
Microsoft.Crm.Setup.Update.HotFixArpEntryHandler.<>c__DisplayClass7.b__5(ArpEntryDescriptor
entry)
at
System.Linq.Enumerable.WhereListIterator`1.MoveNext()
at
Microsoft.Crm.Setup.Update.HotFixArpEntryHandler.RemoveSupercededEntries(IEnumerable`1
arpEntries, Version minimumVersionToKeep)
at
Microsoft.Crm.UpdateWrapper.MspInstallAction.Do(IDictionary parameters)
at Microsoft.Crm.Setup.Shared.CrmAction.ExecuteAction(CrmAction
action, IDictionary parameters, Boolean undo)
--- End of inner exception stack trace ---,
Error, RetryCancel, Option1
some other people having the same issue; https://social.microsoft.com/Forums/en-US/d1739486-e100-47cc-9145-7e0bdf333832/crm-2013-sp1-language-pack-installation-fails?forum=crm
My solution is to delete empty registry branches in UNINSTALL container and try again.
to get a following