// troubleshooting guide · prowritingaid

ProWritingAid Word Add-In Not Working

Status
Workaround available
platforms:
Windows
updated:
November 15, 2026
reports:
3
Method
how we research
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RUNBOOK · prowritingaid/word-add-in-not-working4 FIXES

// quick answer

Most Word add-in failures on Windows are fixed by updating Office and Windows, installing the latest Microsoft VSTO runtime and running the ProWritingAid repair tool; if that fails, uninstall and reinstall the add-in.

Most likely fix: Update Word and Windows

How to fix it

// try these in order, the most common fix is first

  1. FIX 1Update Word and Windows

    1. 01Word > File > Account > Update Options > Update Now
    2. 02Windows Settings > Windows Update > Check for updates
    Did this fix it?
  2. FIX 2Install VSTO runtime and run the repair tool

    1. 01Close Word
    2. 02Install the latest Visual Studio Tools for Office runtime from Microsoft
    3. 03Run EnableProWritingAid.exe
    4. 04Reopen Word
    Did this fix it?
  3. FIX 3Reinstall the add-in

    1. 01Uninstall ProWritingAid from Windows Settings > Apps
    2. 02Download it again from prowritingaid.com/download/microsoft-word and install
    Did this fix it?
  4. FIX 4Check long documents in the web editor

    1. 01If Word hangs on a full manuscript, paste chapters into the ProWritingAid web editor or desktop app instead
    Did this fix it?

Symptoms

The add-in won't install, Word freezes or crashes while ProWritingAid checks a document, or long documents stop analysing after a minute.

Why it happens

  • C-01Unsupported Word version (needs Word 2016, 2019, 2021 or Microsoft 365)
  • C-02Outdated Windows or Office updates
  • C-03Old VSTO runtime
  • C-04Large documents overwhelm the add-in

// this guide also covers

  • prowritingaid word add-in not working
  • prowritingaid crashing word
  • prowritingaid word freezing
  • prowritingaid word install error

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