Blank white UI (ver. 18.5.2342)

[REDACTED]

Hi.

I updated last night to ver. 18.5.2342, and I can't access the avast UI. It shows only a white blank screen.

I can however access the right-click menu on the taskbar icon, on towards settings. Everything else, I can't.

I've searched the forum and it seems to be a prevailing issue with previous versions too. Can anyone suggest a fix?

(OS is win10 x64)

[Asyn]

Repair Avast:
1. Control Panel -> Add/Remove programs -> Avast
2. Click on 'Repair'.
3. Follow instructions.
4. Reboot.

[REDACTED]

Repair Avast:
1. Control Panel -> Add/Remove programs -> Avast
2. Click on 'Repair'.
3. Follow instructions.
4. Reboot.

Tried it and it works for only 1 time. When I close the UI and re-open it, it's back to the blank white screen again.

I also tried reinstalling using the offline installer and still the same issue.

[Asyn]

- Which Avast..? (Free/Pro/IS/Premier)
- OS - which Build..?
- Other security related software installed..?
- Which AV(s) did you use before Avast..?

[REDACTED]

- Which Avast..? (Free/Pro/IS/Premier)
- OS - which Build..?
- Other security related software installed..?
- Which AV(s) did you use before Avast..?

- Avast Free
- Win10 x64 ver. 1511, build 10586.589
- No other AV (Windows Defender is off)
- Avast only

[Asyn]

1. Download Avast Free Antivirus: https://files.avast.com/iavs9x/avast_free_antivirus_setup_offline.exe
2. Follow instructions: https://www.avast.com/uninstall-utility (Run this tool for all prior installed Avast versions..!!)
3. Reinstall Avast with the downloaded installer from point 1.
4. Reboot.

[REDACTED]

1. Download Avast Free Antivirus: https://files.avast.com/iavs9x/avast_free_antivirus_setup_offline.exe
2. Follow instructions: https://www.avast.com/uninstall-utility (Run this tool for all prior installed Avast versions..!!)
3. Reinstall Avast with the downloaded installer from point 1.
4. Reboot.

I'm back. Did the steps but still the same issue. UI opens fine 1 time, close and re-open it, it gives blank white screen.

[Asyn]

OK, best you wait for one of the guys with W10, can't reproduce it here.

[Michael529]

- Which Avast..? (Free/Pro/IS/Premier)
- OS - which Build..?
- Other security related software installed..?
- Which AV(s) did you use before Avast..?

- Avast Free
- Win10 x64 ver. 1511, build 10586.589
- No other AV (Windows Defender is off)
- Avast only

That is an old version of Win 10. I wonder if Avast supports it?

[Gordon2]

I am also experiencing this blank UI issue sine the update to v18.5.2342 and have tried the restart/repair/uninstall/reinstall options but to no avail, which also meant that I was unable to sign into my account or associate a licence after the clean install. However I have discovered that if you put avast into passive mode and restart the computer the full UI is now available as normal for as long as it stays in passive mode, allowing me to sort out the account/licence and check all the other settings etc., but once I reverted to active mode the UI was once again blank.

PS - I accessed the passive mode setting by right-click on the notification icon then update>program to open that part of the UI - which still works - then switch to Troubleshooting>Passive Mode.

avast Internet Security
Windows 10 Pro x64 ver 1803 build 17134.112

[REDACTED]

Thanks for confirming I'm not alone in the struggle.

I basically had to system restore to when I had a previous version of Avast and put the program update to manual instead of auto.

[avant-guvnor]

I too can confirm the issue described.

I am seeing the issue on 2 different Windows 10 Pro version 1803 (OS build 17134.112) 64-bit PCs with the latest Avast free antivirus version 18.5.2342.

[DavidR]

This UI has been a pain in the backside since it was created, first it was damn slow, then they broke it down into two stages (so it didn't appear too slow).  Now if there is any issue at the mid point (unknown to me) then the second stage doesn't appear to load.

Whilst I haven't experienced this on any of my systems there are plenty of related topics on it, yet it is still happening.

I have got to the point where I no longer do any beta testing and have program updates set to Manual and I hang back now and don't immediately update the program. So I'm hanging back, sticking with 18.4.2338 - whilst I don't believe I will have any problems as my installation is very minimal, what I consider essential shields only.

This is very disappointing, I started out on avast 4.x over 14 years ago and even beta versions were pretty bullet proof, boding well for any forthcoming regular release. 

Now we are on a monthly program update and we are almost in a perpetual state of beta testing.  This wouldn't be bad if the point of the beta testing was to squash existing bugs, not introduce new ones as new features/functions are introduced.

[schmidthouse]

No UI issue here as described on latest Win 10 machines.

[Michal137]

Hello,
could you please navigate to C:\ProgramData\AVAST Software\Avast and copy the log folder somewhere else (eg. your Desktop) and then compress it to zip/rar and upload it? It could help us find what's causing your issues. 
Thanks,
Michal