Quick answer
Chrome most often blocks downloads because the file comes from an unsafe site (HTTP), because Chrome flags it as dangerous, or because you blocked it yourself in settings. You allow it by clicking the arrow next to the blocked download notification and choosing to keep the file. Per-site permissions are changed in Settings > Privacy and security > Site settings.
How to recognize the problem
- Instead of the file, a message appears saying the download was blocked
- The file downloads but Chrome immediately removes it or reports it as dangerous
- The download button does nothing or a red warning icon appears
- The downloads list shows the file as blocked
- Chrome asks for extra confirmation before every download from the same site
Most common causes
The site uses an insecure connection
If the file is downloaded from a site that runs over HTTP, Chrome shows a warning that the connection is not secure and blocks the download until you confirm it.
Chrome flagged the file as dangerous
Google Safe Browsing checks files and, if it recognizes them as malicious or untrustworthy, the download stops regardless of the site.
The file is blocked in settings
The blocked downloads list may contain sites or files you previously blocked, so Chrome keeps enforcing that rule.
Too many downloads in a short time
Chrome limits the number of automatic downloads from one site, so after a few files it asks a question or blocks the next ones.
An extension or antivirus interrupts the download
A security extension or antivirus program can stop the file and show a message that is easy to confuse with Chrome's warning.
Step-by-step fix
- 1
Check the exact message in the downloads list
Open the downloads list with
Ctrl + J(on MacCmd + Shift + J) and see what it says next to the file. The message distinguishes a blocked download from an interrupted or failed one, so the next step depends on it. - 2
Allow a single file
Click the arrow or the button next to the blocked download notification and choose the option to keep the file. Chrome will ask for confirmation, so accept it only if you know where the file comes from and what it is for.
- 3
Open the site over HTTPS
If the cause is an insecure connection, try the same address with
https://at the beginning. If the site does not support HTTPS, the download will still require confirmation, and it is safer to get the file from the manufacturer's official site. - 4
Check site permissions
If the block repeats only on one site, open
Settings > Privacy and security > Site settings, find that site and check that it is not blocked for automatic downloads or other types of content. If you blocked it yourself earlier, remove it from the blocked list. Keep Safe Browsing turned on. - 5
Disable extensions as a test
Open
chrome://extensions, turn off all extensions and try again. If the download works, turn them back on one by one until you find the culprit and delete it. - 6
Check antivirus and system protection
Look at notifications from your antivirus program and Windows Security. If the file is blocked there, you give permission in that program, not in Chrome, and only for a file you reliably know.
- 7
Download the file another way
If Chrome still refuses, try another browser or download from the manufacturer's official page. This checks whether the problem is with the file or with Chrome's settings.
If nothing helps: check profile and security
When the block persists after all steps, create a temporary profile in Chrome (profile icon top right > Add > Continue without an account) and try the download there. If it works there, the problem is in the settings or extensions of the old profile, so review them and reset Chrome settings if needed. Before resetting, back up your bookmarks and check that passwords are saved or synced. If it does not work in the new profile either, check whether the network is the issue: at work or school, a filter may block downloads of executable files. In that case, contact the network administrator. Never turn off Safe Browsing permanently just to download one file, because that opens the door to malicious sites.
How to prevent it
- Download programs only from official manufacturer sites
- Check that the site address starts with https:// before downloading
- Do not keep the file if Chrome warns it is dangerous, unless you know exactly what it is
- Occasionally review the downloads list and remove outdated blocked entries
When to call a professional
If the block repeats on multiple computers in the company or you suspect the file is actually malicious, it is better to contact IT support than to disable protection and risk infection.
IT infrastructure maintenance · Servers, networks, backup, security and helpdeskFAQ
Is it safe to keep a file that Chrome blocked?
Only if you reliably know where the file comes from and what it does, for example a program installer from an official site. If you do not know the source or you reached the file via a link in an email or an ad, do not keep it.
Where are blocked files in Chrome?
You can see them in the downloads list with `Ctrl + J`. There is a label that the download is blocked and an option to keep it or remove it from the list.
Why does Chrome block a download from a site that used to work?
Most often because the site switched to an insecure connection, because the file changed, or because Google flagged it as suspicious. Sometimes it is enough to wait a day or two or download the file from another official source.