QBittorrent Kills Internet Connection? Here’s How to Stop It!

Even though it’s one of the safest and most reliable torrent clients, qBitTorrrent isn’t short of errors – and killing the internet connection is a big one.

Luckily, there are a few tried and tested ways in which you can fix it or at least ameliorate it.

Check them out.

How to Stop qBittorrent from Killing Your Internet Connection

Torrent clients use many connections at once, and when these exceed what your router or internet connection can handle, your network may slow down or drop entirely. The solution is to lower the global connection limits.


qBittorrent

  1. Open Options:
    Click the cog wheel icon on the toolbar or go to Tools > Options (Alt+O).
  2. Adjust Connection Settings:
    Click the Connection icon on the left. Look for “Global maximum number of connections” and “Maximum number of connections per torrent.”
  3. Set Limits:
    Set the global maximum to around 100 (or lower) and ensure the per-torrent value is equal to or less than this number.
  4. Save Changes:
    Click OK.
    Note: Do not uncheck the boxes, as that resets the limit to unlimited and can worsen your connection.
Qbittorrent connections

Download qBittorrent


Free Download Manager

  1. Open Preferences:
    Click the Options menu at the top right and select Preferences.
  2. Adjust Traffic Limits:
    Click the Traffic Limits option or scroll down. Change the “Maximum number of connections” for each speed mode and adjust download/upload speeds to match your connection.
  3. Switch Speed Mode:
    Use the menu at the bottom (green for full speed, orange for medium, red for low) to change modes.
Free download manager connections

Download Free Download Manager


PicoTorrent

  1. Open Preferences:
    Click on the View menu and select Preferences. Then, choose Downloads on the left.
  2. Set Connection Limit:
    Scroll to the bottom where the option is labeled “Connections”. Reduce the default value from 200 to between 50 and 100.
  3. Save Changes:
    Click OK.
Picotorrent connections

Download PicoTorrent


Transmission

  1. Open Preferences:
    Go to the Edit menu and select Preferences, then click on the Network tab.
  2. Modify Peer Limits:
    In the Peer Limits section, adjust “Maximum peers overall” to a lower number (default is 200). Leave the per-torrent value if it’s already lower than the overall setting.
  3. Apply Changes:
    Save your settings.
Transmission connections

Download Transmission


Deluge

  1. Open Preferences:
    Click the Preferences button on the toolbar or select Edit > Preferences (Ctrl+P). Then, choose the Bandwidth category.
  2. Adjust Connections:
    The global maximum number of connections is set to 200 by default. You can also lower the “Maximum connection attempts per second” to reduce overload.
  3. Save Settings:
    Apply your changes.
Deluge connections

Download Deluge


uTorrent / BitTorrent

  1. Open Preferences:
    Go to Tools > Preferences (CTRL+P).
  2. Change Connection Limits:
    Click on Bandwidth. Change the “Global maximum number of connections” from 200 to a lower number (50–100) and ensure the per-torrent value is equal to or lower than the global setting.
  3. Apply Changes:
    Confirm your settings.
Utorrent max connections

Download uTorrent | Download BitTorrent


BiglyBT

  1. Open Options:
    Go to Tools > Options (CTRL+,).
  2. Enable Advanced Options:
    Click on Mode at the top and select Advanced or Intermediate.
  3. Set Connection Limits:
    Under Transfer, uncheck “Automatically adjust these settings based on connection speed” and set the “Max connections globally” to your chosen value. Ensure the per-torrent value is lower.
  4. Save Settings:
    Confirm your changes.
Biglybt mode
Biglybt connections

Download BiglyBT


Tixati

  1. Open Settings:
    Click the Settings button (top right) and navigate to Network > Connections.
  2. Set Peer Connections:
    Adjust the “Maximum peer connections per seed/download” value. For individual torrents, click the torrent, go to Options > Peers, uncheck “Use Default Setting,” and set a custom value.
  3. Save Changes:
    Confirm the new limits.
Tixati connections

Download Tixati


Torch Browser

  1. Open Torrent Settings:
    Click the green Torrent icon in the browser toolbar, then click the Settings button at the bottom left of the TorchTorrent tab.
  2. Adjust Connection Limits:
    Scroll down to the Connections section. Reduce “Max peers overall” from the default 150 to around 100 or lower. The default “Max peers per torrent” (30) is usually sufficient.
  3. Apply Settings:
    Save your changes.
Torch torrent connections

Download Torch Browser


BitComet

  1. Open Options:
    Go to Tools > Options (CTRL+P).
  2. Adjust Connection Limits:
    Click on Advanced and locate “network.max_connections.” Change the value from 0 (unlimited) to a more manageable number (around 100).
  3. Save Changes:
    Click Apply to confirm.
Bitcomet max connections

Download BitComet


You can try changing the values in any of these clients to 50 or 100 connections for starters and see if your connection can cope with it. If the router or modem is able to handle that amount without killing or severely slowing down your connection, try adding 20 more and continue until you find the limit.

For BitTorrent clients that are not listed in this article or for those that don’t allow you to configure the connection values (like WebTorrent Desktop or Brave Browser), you can try NetBalancer to limit the download and upload transfer speed. Also, there is a list of the safest torrent clients available.

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