There are quite a few reports of this error. However, the following would appear to be worth checking out. (Long URL so take care it doesn't wrap) http://forums.lenovo.com/t5/Windows-7-Discussion/Internet-Explorer-11/td-p/1310257 George. From: access-uk@xxxxxxxxxxxxx [mailto:access-uk@xxxxxxxxxxxxx] On Behalf Of Mike Cassidy Sent: 16 December 2013 23:10 To: Access-UK Subject: [access-uk] Windows installation error Hi listers, Has anyone come across the MS error 9c47 when installing IE11; the help offered was of no help as I couldn't find the error listed. I'm beginning to get the message that I shouldn't bother with this install as it has failed with the same error on several occasions. Thanks for any help, Regards, Mike