Microsoft (R) Program Maintenance Utility Version 14.16.27048.0 Copyright (C) Microsoft Corporation. All rights reserved. The process cannot access the file because it is being used by another process. System ERROR: The process cannot access the file because it is being used by another process. NMAKE : fatal error U1077: '"C:\Program Files\7-Zip\7z.EXE"' : return code '0x2' Stop.