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  1. Qt Creator
  2. QTCREATORBUG-6191

Qt Creator runs slowly under Windows 7 64-bit when Workstation (widows service) is running

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: P1: Critical
    • Resolution: Duplicate
    • Affects Version/s: Qt Creator 2.3.0
    • Fix Version/s: None
    • Component/s: All Other Issues
    • Labels:
      None
    • Environment:
      Windows 7 Professional 64-bit running on Sony Vaio

      Description

      After installing QtSDK 1.1.1.3 I found I could not run Qt Creator. The program would show as a running process but there would be no user interface at all, even after leaving it for 15 mins or so.

      No problem if I booted Windows in safe mode. After turning off each service in turn and rebooting I narrowed it down to the 'Workstation' or lanmanWorkstation service.

      If I turn the service off then Qt Creator runs fine, it the service is running then it doesn't.
      When it is running, the service restarts itself, and after this, if I select Projects and switch between say Build settings and Run settings, then Qt Creator says 'Not Responding' for ages. As soon as I stop the 'Workstation' service then Qt Creator becomes responsive again.

      Whilst the service is topped then switching between Build & Run settings is immediate. As soon as the service is running Creator says "Not Responding".

      I had similar behaviour with Qt Creator 2.1.0 sometimes switching between Build & Run settings but there was no problem in starting Qt Creator so I did not work out the link with the Workstation service.

      I have not seen any other report of this behaviour but maybe it is restricted to 64-bit windows 7?

      Maybe there is some issue with the different use of forwards and backwards backslash between Qt and Windows such that windows thinks Qt is requesting a remote computer or file share which takes forever to time out before signalling 'not found'?

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              Assignee:
              bilking Bill King
              Reporter:
              martynw Martyn Woerner
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