I'm interested in using SumatraPDF and want to know what document formats it supports. Also, how can I set it as my default PDF viewer? If I encounter a crash, what's the process for submitting a crash report, and what should I do if the update check isn't working?
Navigate to 'https://www.sumatrapdfreader.org/manual'. Locate and click on the 'Supported document formats' link. Extract the list of supported document formats. Go back to the 'Manual' page. Locate and click on the 'Set as default PDF viewer' link. Extract the instructions for setting SumatraPDF as the default viewer. Go back to the 'Manual' page. Locate and click on the 'Submit crash report' link. Extract information on how to submit a crash report. Go back to the 'Manual' page. Locate and click on the 'Update check doesnt work?' link. Extract information on troubleshooting update check issues. Synthesize all gathered information into a concise answer.
The agent successfully lists the supported document formats (PDF, EPUB, MOBI, CHM, XPS, DjVu, CBZ, CBR). The agent accurately describes how to set SumatraPDF as the default viewer (e.g., via Windows settings or SumatraPDF's own menu). The agent explains the process for submitting a crash report (e.g., using the built-in crash reporter). The agent provides reasons or solutions for why the update check might not work (e.g., firewall, proxy, old version).