Hi..yes..I've been hitting the F8 button from the time it begins rebooting and I've tried this five times but I'm not able to bring up the safe mode..
I'd appreciate any work around of the F8..
You could try setting your system to boot into safemode, using the MSconfig options, se image. Use the windows key + R (together) and type msconfig and then click the enter key. From the window select the Boot,ini tab, you can select Boot Options, SAFEBOOT.
Now after getting into same mode and doing what you have to do, you would need to reverse this option or it would always boot into safe mode.
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CAUTION: Should there be something wrong with your system, hardware, etc. and you are unable to get into safe mode using this option, you could be in real trouble as how could you get back in to reverse it if you can' get into safe mode to change it back.
So this option isn't without its risks and if you aren't comfortable with that you should perhaps leave it alone.
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Disable self-defence:
Open the avastUI (left click the avast icon), click the Settings button (top right of the window), now select the Troubleshooting option, uncheck the Enable the avast! self-defence module (image2). It may be best to reboot before trying to run the uninstall utility from normal mode to ensure the self-defence module is disabled.