Camra app not opening

[ashishengr_kuma]

Please tell us some basic information before asking for help:
Model Name:Asus 6z
Firmware Version:WW_17.1810.2009.176
Rooted or not: no
Frequency of Occurrence: not very frequent
APP Name & APP Version (If your issue relates to the app): camra
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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Today when I opened Camara app it was showing black screen and after some time it was showing msg camra is being used by some other app, ease close that app. I checked my recent apps and found there was no app which had camra access. I want to noe that is it normal or some is trying to spy me? For reference I have attached screenshot. Or some app is stealing data in back ground..

[victor010]

Hi, we'd request you follow the below steps:
1. Check your phone for latest software version.
2. Go to Camera settings Clear cache & storage of Camera App after backing up & disable/re-enable camera App
3. Try the same under safe mode:
Hold the power button for 5 seconds => When the screen flashes with option => Press & hold power option => You will get an option to restart in safe mode
4. If still you face the issue factory reset your phone after taking a full backup:  https://www.asus.com/support/FAQ/1006346/