Avast Browser failing :Failed to load resource: net::ERR_BLOCKED_BY_CLIENT

I use 3 browsers Firefox, Edge and Avast. Only Avast browser is failing to load pages correctly:
Failed to load resource: net::ERR_BLOCKED_BY_CLIENT

Have uninstalled/reinstalled
Cleared cache and cookies. Still the same.

here is more of the console display:

Unchecked runtime.lastError: Could not establish connection. Receiving end does not exist.
tp.widget.bootstrap.min.js:1 Failed to load resource: net::ERR_BLOCKED_BY_CLIENT
gtm.js:1 Failed to load resource: the server responded with a status of 404 ()
tc.min.js:1 Failed to load resource: net::ERR_BLOCKED_BY_CLIENT
googleads.g.doubleclick.net/:1 Failed to load resource: net::ERR_BLOCKED_BY_CLIENT
content.bundle.js:1 observing
ajax-loader.gif:1 Failed to load resource: the server responded with a status of 404 ()
ec.js:1 Failed to load resource: net::ERR_BLOCKED_BY_CLIENT
modules.5d1cad31427a09b055ed.js:1 Failed to load resource: net::ERR_BLOCKED_BY_CLIENT

Please post your Diagnostic Information output. You can get it by visiting this link: secure://settings/diagnosticInfo

What diagnostic information is required? where to obtain?

The link is not functional.

Regards

Peter
verification letters are nearly impossible to read

Someone needs to fix the year link when posting. Its 2021 now!!!

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Thanks, I reported it.

here is the diag info as requested

executable_path=C:\Program Files (x86)\AVAST Software\Browser\Application\AvastBrowser.exe
profile_path=C:\Users\Peter\AppData\Local\AVAST Software\Browser\User Data\Default
os_version=Windows 10 v2004 (x64)
av_version=20.10.2442
urlscanner_version=1.6.0.266
host_prefix=
browser_version=86.1.6938.199 (Official Build (64-bit))
cgid=100
cid=1100
uid=4c6d3d05a0154fc683306fc35e96314d

Channel: stable
OS language: en-gb
Browser language: en-US
Search Engine URL: https://www.google.com/search?client=avast&q={searchTerms}
Omaha version: 1.8.1065.0

Enabled extensions:
ahfgeienlihckogmohjhadlkjgocpleb : Web Store : 0.2
dmfdacibleoapmpfdgonigdfinmekhgp : Avast SecureLine VPN : 1.5.1.839
emhginjpijfggbofeediiojmdlmlkoik : Avast Passwords : 2.0.4569
kdhipfbocahipinepiahppeionfbahlg : Avast Video Downloader : 2.4.121
khoabckdcnciingnnklkfgdhnniefnod : Avast HTTPS Encryption : 19.6.4.136
kmediagceboldddnnajkcochbkfkedel : Avast Anti-Tracking : 1.23.0.675
kmendfapggjehodndflmmgagdbamhnfd : CryptoTokenExtension : 0.9.74
lhnnoklckomcfdlknmjaenoodlpfdclc : Avast Bank Mode : 1.2.0.197
mecokbmnofclapimmlnfegiohceoaocc : Avast Performance Manager : 1.2.220
mfehgcgbbipciphmccgaenjidiccnmng : Cloud Print : 0.1
mhjfbmdgcfjbbpaeojofohoefgiehjai : Chrome PDF Viewer : 1
nkeimhogjdpnpccoofpliimaahmaaome : Google Hangouts : 1.3.15
ooeobdingfeedklanlfcjhffgennflke : Avast Adblock : 2.1.194
pkedcjkdefgpdelpbcmbmeomcjbeemfm : Chrome Media Router : 8620.824.0.0

Disabled extensions:
beghmmhchncjignfbfnemngnlnjdmbcb : Avast Anti-Fingerprinting : 2.5.181
nmebbcjdbhgggcgohlnlgadkmjiedfbc : Avast Hack Check : 1.2.341

Update to the latest version (87.0): https://forum.avast.com/index.php?topic=244790.0