Ma te lo fa con qualsiasi programma? (Word, Excel, etc. e Blocco Note de Windows)?
Te lo fa anche se copi e incolli una stringa di caratteri in Start -> Esegui (o Start --> Run per windows in inglese)?
Te lo fa solo se copi/incolli o anche se tagli/incolli?
Te lo fa solo solo se usi Ctrl/V o anche se usi la voce di menu (tipo Modifica-->Incolla delle applicazioni Office)?
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... per quello che puo' valere, ho trovato questo:
solution 1)
Open the Control Panel.
Select the Internet Options applet
Click on the Security tab.
Then click on Custom Setting,
Find the option "Drag and copy or paste"
Ensure that it is enabled.
If not enabled, enable it - restart computer.
solution 2)
Click on your Windows Start button, select Control Panel (or Start, Settings, Control Panel).
Double click on the Internet Options icon.
Select the Security Tab.
In the Security Settings for your Internet zone area (the default), check to see if the settings are set to Default (Medium). If the settings are set to High or Custom, take the following steps:
Click the Custom Level button.
Scroll down the list to the Scripting section near the bottom.
Locate the "Allow paste operations via script" option and check this setting. If this is set to Disable or Prompt, it will prevent our software from interacting with the Windows Clipboard.
Set to Enable if needed and click OK
Select the other Zones (Local Intranet and Trusted Sites) and repeat the process to ensure that this option is not interfering with our software. You should not change the settings for Restricted Sites.
Once the settings have been corrected, click Apply and OK.
Restart the computer and then check to see if the problem has been resolved.
Ciao
Carlo