Roland Edirol UM-1X Mode D'emploi page 16

Getting Connected and Installing Drivers (Windows)
If you changed "File signature verification"
If you changed the "File signature verification" setting in step 5, restore the
original setting after Windows restarts.
1.
After Windows restarts, log in to Windows as a user with administrative
privileges, (such as Administrator).
2.
In the Windows desktop, right-click the My Computer icon, and from the
menu that appears, select Properties. The System Properties dialog box will
appear.
3.
Click the Hardware tab, and then click [Driver signature]. The Driver
Signing Options dialog box will appear.
4.
Return the "File signature verification" setting to the original setting (either
"Warn" or "Block"), and click [OK].
5.
Click [OK]. The System Properties dialog box will close.
Next, you need to make the driver settings.
(➝ Settings and Checking (p. 19))
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