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2014 07 22: uBlock and others: Blocking ads, trackers, malwares About "This other extension reports more stuff blocked!" About "Why uBlock Origin works so much better than Pi‑hole does?" About "uBlock is inferior in capabilities as a result of being lighter on the browser"... About "uBlock is inferior in capabilities as a result of being lighter on the browser" About Google Chrome's "This extension may soon no longer be supported" About Safari and Canary support About the Wiki documentation About the required permissions About this "your software" mindset Advanced settings Advanced user features Badware risks Behind the scene network requests Block more, way more Blocking mode Blocking mode: easy mode Blocking mode: hard mode Blocking mode: medium mode Blocking mode: nightmare mode Blocking mode: very easy mode Can uBO crash a browser? Can you trust uBlock Origin? Can you trust uBlock? Change log Cloud storage Code viewer Compare: Memory footprint: what happens inside µBlock after installation Contributed memory usage: benchmarks over time Cosmetic filtering in uBlock: version 0.4.0.0 update Cosmetic filtering in µBlock: version 0.4.0.0 update Counterarguments DOM inspector Dashboard Dashboard: 3rd party filters Dashboard: Filter lists Dashboard: My filters Dashboard: My rules Dashboard: Settings Dashboard: Support Dashboard: Trusted sites Dashboard: Whitelist Debunking "uBlock Origin is less efficient than Adguard" claims Deploying uBlock Origin Deploying uBlock Origin: configuration Disable hyperlink auditing beacon Does uBO have a parental control or password protection? Does uBO protect against fingerprinting? Does uBlock Origin block ads or just hide them? Does uBlock block ads or just hide them? Doesn't uBlock Origin add overhead to page load? Dynamic filtering: Benefits of blocking 3rd party script and iframe tags Dynamic filtering: Usefulness of blocking 1st party script tags Dynamic filtering: Usefulness of blocking inline script tags Dynamic URL filtering Dynamic filtering examples Dynamic filtering Dynamic filtering: Benefits of blocking 3rd party iframe tags Dynamic filtering: Examples of usefulness of blocking 3rd party iframe tags Dynamic filtering: default deny Dynamic filtering: default deny: useful rulesets Dynamic filtering: precedence Dynamic filtering: quick guide Dynamic filtering: rule syntax Dynamic filtering: to easily reduce privacy exposure Element picker Element zapper Experimental features Experimental filters Few words about re‐design of uBO's user interface Filter Performance Filter list licenses Filter lists from around the web Filter syntax extensions Firefox WebExtensions Firefox version: benchmarking memory footprint (2015 03 07) Firefox version: benchmarking memory footprint History of vulnerability disclosures Home How to ... How to mark a web site as trusted How to whitelist a web site Inline script tag filtering Introduction to basic filtering syntax Keyboard shortcuts Launch and filter lists load performance Maintainership transfer of uBlock: post mortem Manually editing per site switches Memory footprint: what happens inside uBlock after installation Memory footprint: what happens inside µBlock after installation Myth: uBlock consumes over 80MB Myth: uBlock consumes several or several dozen GB of RAM Myth: uBlock is just slightly less resource intensive than Adblock Plus Myth: µBlock consumes over 80MB Myth: µBlock is just slightly less resource intensive than Adblock Plus Notes on memory benchmarks, selfies Overview of uBlock's network filtering engine Overview of uBlock's network filtering engine: details Own memory usage: benchmarks over time Per site switches Permissions Prevent WebRTC from leaking local IP address Privacy policy Privacy stuff Privileged Pages Procedural cosmetic filters Quick guide: popup user interface Reference answers to various topics seen in the wild Reference benchmark Reference description of uBO in various extensions stores Regular expression based filters Resources Library Scientific papers Software known to have uninstalled uBlock Origin Static filter syntax Strict blocking Syntax quirks Technical inaccuracies from around the web The "Report a filter issue" form The context menu The logger The network request logger Tips and tricks waterfall Toolbar icon Tools Troubleshooting Tutorial: how to unbreak a site using the dynamic filtering pane Unofficial websites Various videos showing side by side comparison of the load speed of complex sites Who care about efficiency, I have 8 GB and|or a quad core CPU Who cares about efficiency, I have 8 GB RAM and|or a quad core CPU Who cares about efficiency, I have 8 GB and|or a quad core CPU Why don't you accept donations? uBlock Origin Core (Node.js) uBlock Origin is completely unrelated to the web site ublock.org uBlock Origin works best on Firefox uBlock and others: Blocking ads, trackers, malwares uBlock version 0.8.5: many changes uBlock vs. ABP: efficiency compared µBlock and others: Blocking ads, trackers, malwares µBlock version 0.8.5: many changes µBlock vs. ABP: efficiency compared
19 Troubleshooting
neonItem edited this page 2022-01-07 20:19:15 +02:00
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I am going to collect here common usage issues users may face.

The best way to troubleshoot uBlock Origin is with uBlock Origin: the logger will tell you what uBO is doing when you try to load a web page. Using the logger is the first thing you should try when you are trying to find out why a page does not load/display as expected.

Firefox: uBlock Origin's popup UI is not displaying

You can fix this by following the following steps:

  1. In the navigation bar (Awesome Bar) enter about:config
  2. Click on the I'll be careful, I promise! button
  3. Search for ublock0
  4. Double click on extensions.ublock0.forceLegacyToolbarButton so that the value = true
  5. Restart Firefox

Firefox: Missing icons in uBlock Origin's popup UI

You can fix this by following the following steps:

  1. If you use a Linux system go to Edit - Settings - Content and choose a default font other than "serif". "Liberation" and "Clear" are known to work.
  2. If the icons are still not showing enter about:config in the navigation bar and promise to be careful
  3. Search for fonts
  4. Check that gfx.downloadable_fonts.enabled is set to true and see whether the icons appear now.
  5. If it still does not work you might have to set browser.display.use_document_fonts to 1 but that should not be necessary if you followed step 1.

Links to social networks are blocked

Because you enabled "Fanboy’s Social Blocking List", or one of the filter lists which includes it, like "Fanboy’s Annoyance List" or "Fanboy+Easylist-Merged Ultimate List".

My antivirus flags uBlock Origin

False positive.

uBO ships with malware filter lists, and this causes false positives in some antiviruses.

"NETWORK FAILED" error when I try to install uBlock Origin from Chrome store

Unfortunately, your Chrome browser executable has probably been tampered by malware:

At this point we're pretty sure that this error is primarily caused by malware / unwanted software on your machine actively tampering with the contents of the chrome binary and your user profile directory data

You will need to clean up whatever malware tampered with your Chrome browser installation. Starts here: Malwarebytes Anti-Malware

uBlock Origin stopped blocking ads

I've seen this happens on a Chromium-based browser. Upon investigation, even though uBO's icon was on the toolbar, I found that the extension was not actually in memory. I believe this problem coincided with uBO having been updated with a new version from the Chrome store. Forcing a restart of uBO fixed the issue (uncheck then check Enable in the Extensions page).

So it does appear the browser's automated update of an extension can go wrong sometimes. Forcing a restart of the extension fixes the issue.

uBlock Origin uninstall itself

This has been reported many times. This could be caused a false positive from your anti-virus application.

Specifically, it has been confirmed Avira Anti-virus has been uninstalling uBlock Origin.

Unable____ to open links in new tab

If you answer "yes" to both questions above, this is your problem (from link above):

Caveat for Chromium-based browsers: Due to Chromium API limitations, it's not possible for uBlock to determine for sure whether a new tab being opened is that of a popup, or is the result of a legitimate click on a link by the user. So if the no-popups switch is in use, you won't be able to open a link in a new tab through the context menu.

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uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean.