Its so long since I registered that I first of all went through the Forgot User ID and Forgot Password ID first. These cannot be cut and pasted but I could write them down and let you know what I see if its important.The next problem I have is that a few minutes ago I attempted to LOG IN with AutoDesk to register (again) my product and entered the User ID and the Password. I can open the programme, but the moment I click on the menu bar OPEN, the programme fails to respond and a small window announces Programme not Responding - Send Error Report.I have had a look at the Details in Error Report and there are two lines showing the reporting errors. I achieved everything, saved everything successfully, and it was as if the programme was working as it always did.At the end of the day I closed my computer down and, today, the 2nd May, its back to its old tricks. On May the 1st I needed to do some AutoCAD work so I opened the programme, selected Help, then About, the Product Information, then Activate, then register Your AutoCAD Product, which I did, and it subsequently received a new activation code and worked all day. If I did upgrade then I would up grade Auto Cad at the same time.Back to my current problems. It has given me wonderful service over the past years.I am also using Windows XP with Service pack 3 ( I think) and have heard so many horror stories about newer versions of Windows programmes that I dare not change. Hello,I am quite happy with a single machine and single user AutoCAD LT 2005. What does ‘ Locked’ mean and what is the effect of strltd, emmsleys has edited your subject line for clarity: Auto Cad LT 2005. I have found this file and the relevant details are shown below.Product: AutoCAD LT 2005License type: Standalone – Single SeatBut today (Saturday 29th April 2017) I have taken another look at the Help Product Information details and now see:Product: AutoCAD LT 2005License type: Standalone – LockedHow can the License Type change from Standalone – Single Seat, to, Standalone – Locked?I most certainly have not initiated any change. Hello,I have done some more research regarding my AutoCAD LT 2005.Around July 2014 I did have a problem, which, from memory, was that the license had expired (or something like that) so I approached the local agent in Hong Kong and subsequently received a new activation code which has enabled the software to work flawlessly until the last week or so.When I gave the details to the local agent I saved them in MS Word.

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