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How to Use Process Monitor

Process Monitor is a Microsoft tool that helps you diagnose when a process is holding onto a file or locking it for editing.

  1. If you do not have Process Monitor already, go to the link below and download:


  2. You will need Administrator rights to utilize this tool. If you are not an administrator, right click and select Run as Administrator. Otherwise, double click Procmon.exe:

  3. Process Monitor will start capturing data right away, so you will want to clear it:

    a. Click the magnifying glass (Capture) so that you see a red X over it.

    b. Clear the logs by clicking on the paper with an eraser (Clear):

  4. Go to Filter > Filter:

  5. In the Process Monitor Filter, you will need to choose the following:

    a. Path

    b. Is

    c. Depending on your edition of OnePager, you would enter one of the following

         C:\Users\[yourname]\AppData\Local\Chronicle Graphics\OnePager\temp

         C:\Users\[yourname]\AppData\Local\Chronicle Graphics\OnePager Express\temp

    d. Add

    e. Select OK on the bottom right

  6. Now you are ready to start capturing data. Click the magnifying glass (Capture) and then start generating or opening a chart in OnePager:

  7. Once you have collected the data you need, click the magnifying glass (Capture) again so that you see a red X over it, indicating that the monitor has stopped capturing:

  8. Last Updated: December 27, 2019