How to fix 'Microsoft Excel cannot open or save any more documents'

Question

I am running C# ASP.NET 4.5 web application on Windows 7 64-bit using IIS 7.5. The application pool it uses has the name \'ASP.NET v4.0\' and its identity is ApplicationPool

Answer 1

Go to this key on Registry Editor (Run | Regedit) HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders

change key Cache to something like C:\Windows\Temp

My similar problem was solved like this.

Regards,

Ripley