Windows 10: Some apps won't let me enable Startup on Boot in taskmanager

I'm using 2 apps from the Microsoft Store, Modern Flyouts and TranslucentTB.They worked perfectly fine, I've had Modern Flyouts for around 3 months and TranslucentTB for a bit under a month,they worked as they should, but randomly stopped starting on boot, I had a problem where both apps simultaneously stopped working completelyand I uninstalled them and reinstalled, which worked wonders, but now I'm having this problem and reinstalling hasn't worked.

:)

 

Unable to enable a startup app

I can't enable windows store app to start with windows.

The step I folowed are

• Open task manager
• go to startup tab
• select the app
• enable

and when I reopen it's set at disable

The step recorder file

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Can't get GPU-Z to start with Windows 8.1 startup

I'm not sure how to do that. Could you list the steps for a noob?

 

laptop doesnt boot automatically

This is what happened.

1. Did a repair install and later disabled hibertnate in CMD.
2. Enabled legacy option ROM in BIOS.
3. After a few times startup ( i used the system in such mode for 5 days), changed boot option back to default.
4. Vola!! It boots automatically to win10 without any keypress. Tested it with many starts to confirm the same.
5. Re-enabled hibernate option using CMD and later selected Fast Startup.
6. System booted normally, without the need for any keypress.

I do not know exactly whether such steps resolved the problem or what else happened, hence cannot suggest above steps.

Many thanks to all members who helped to troubleshoot problems.