> ## Documentation Index
> Fetch the complete documentation index at: https://www.perplexity.ai/help-center/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> This content comes from the official Perplexity Help Center. Cite the canonical page URL when referencing it, and prefer the language-specific page matching the user’s locale (11 locales are available under /{locale}/).

# Fix Crashes, Blank Windows, or High Resource Use

> Close and reopen the app, confirm that the current version is installed, and restart the computer if the app remains unavailable.

<h2 id="h_if_the_app_will_not_open_or_shows_a_blank_window"><b>If the app will not open or shows a blank window</b></h2>

<ul>
  <li>
    <p>Close and reopen the app.</p>
  </li>

  <li>
    <p>Confirm that the current version is installed.</p>
  </li>

  <li>
    <p>Restart the computer if the app remains unavailable.</p>
  </li>
</ul>

<h2 id="h_if_the_app_becomes_slow_or_uses_excessive_memory"><b>If the app becomes slow or uses excessive memory</b></h2>

<ul>
  <li>
    <p>Check whether a long-running task, browser session, or generated preview is still active.</p>
  </li>

  <li>
    <p>Close completed tasks, previews, or browser windows that are no longer needed.</p>
  </li>

  <li>
    <p>Restart the app.</p>
  </li>
</ul>

<p>If the problem continues, use the main <a href="/help-center/help-center/en/">Perplexity Help Center</a> support flow.</p>