Error received in website x5 v11 profesional 
Author: UNGUREANU C.
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Hello,
I receive the error message when i try to open Website X5 V11 profesional program. I attached the photo bellow.
Thank you.
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Author
I use Windows XP home edition SP3
Hello Ungureanu,
In the first instance please do a check for Windows Updates, especially any that relate to the Microsoft .NET Framework.
WebSite X5 requires .NET to run correctly, and if your .NET installation is out-of-date or corrupted in some way then you may well run into issues like you have just experienced.
Let us know how you get on.
Kind regards,
Paul
Hi Ungureanu,
after reading carefully Paul's useful suggestions, please read the following as well:
To repair the .NET Frameworks 3.5 and 4 in Windows XP you need to use following cleanup tool where you first remove Version 4 and then 3.5:
http://cid-27e6a35d1a492af7.skydrive.live.com/self.aspx/Blog_Tools/dotnetfx_cleanup_tool.zip
Once done you need first to reinstall .NET 3.5 by downloading it from following link:
http://www.microsoft.com/en-us/download/details.aspx?id=21
And then .NET 4 by downloading it from following link:
http://www.microsoft.com/en-us/download/details.aspx?id=17718
Thanks,
Samantha
Author
Thank you! I resolved it.