When i try to upgrade from V3.x to V4.0, i got the error:
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The feature you are trying to use is on a network resource that is unavailable.
Click OK to try again, or enter an alternate path to a folder containing the installation package 'wpi.mis' in the box below.
Use source:
C:\Users\XXX\AppData\Local\Temp\
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My environment: Windows 7 Pro 64bit
Thanks!