[GHC] #10916: PATH in Windows corrupt after 2nd install og GHC

[GHC]

#10916: PATH in Windows corrupt after 2nd install og GHC
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        Reporter:  ambusy        |                Owner:
            Type:  bug           |               Status:  new
        Priority:  normal        |            Milestone:
       Component:  None          |              Version:  7.10.2
      Resolution:                |             Keywords:  installation
Operating System:  Windows       |         Architecture:  Other
 Type of failure:  None/Unknown  |            Test Case:
      Blocked By:                |             Blocking:
 Related Tickets:                |  Differential Rev(s):
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Comment (by ambusy):

 from
 https://downloads.haskell.org/~platform/7.10.2/HaskellPlatform-7.10.2-a-x86_64-setup.exe
 and installed it without making any change. Uninstalled from the Control
 panel of Windows.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10916#comment:2>
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