MacOS: Screenshot doesn't work

When I try and take a screen shot of a portion of my screen, the screenshot isn't actually captured. Meanwhile, the highlighted section of the screen remains (while the remainder of the screen is greyed), and it stays that way across all apps and windows until I finally reboot my Mac.


That only happens under my account on my iMac. The problem does not occur under other users.


Thanks. H.

iMac 21.5″, macOS 11.5

Posted on Sep 17, 2021 3:32 AM

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16 replies

Sep 17, 2021 12:06 PM in response to HeinrichfromGelnhausen

HeinrichfromGelnhausen wrote:

There are no login items any more. Can't send u screenshot for obvious reasons.

What happened in Safe Mode?


Try logging into your Admin. Account and see if ScreenShots works there.

Optionally create another Other User Account and see if ScreenShots works there.

The only new software I have installed last week was localwp (local WordPress)

Sorry, but your EtreCheckPro Report doesn't agree with that.


Software Installs (past 60 days):

Install Date Name (Version)

2021-07-23 Ninox Database (3.4.4)

2021-07-24 macOS 11.5 (11.5)

2021-08-02 Airmail (5.0.7)

2021-08-07 SQLPro for SQLite (2021.72)

2021-08-07 ApolloOne (2.9.9)

2021-08-08 Brave-Browser-BRV001 (0)

2021-08-15 Ghostery Lite (1.2.0)

2021-08-15 Music Tag Editor (5.9.1)

2021-08-15 1Password 7 (7.8.7)

2021-08-19 macOS 11.5.2 (11.5.2)

2021-08-24 XProtectPlistConfigData (2150)

2021-08-24 Tweetbot (3.5.4)

2021-09-09 Things (3.14.4)

2021-09-13 ARMDC Agent Installer (1.0.0)

2021-09-16 Commander One PRO (3.3)

2021-09-16 Twitter (8.82)

2021-09-16 Kindle (1.33.0)

2021-09-16 CotEditor (4.0.7)

2021-09-16 Evernote (10.21.5)

2021-09-16 Pixelmator Pro (2.1.4)

2021-09-17 macOS 11.6 (11.6) <<<<-----------

2021-09-17 MRTConfigData (1.84)


What macOS were you running before the 11.6 upgrade?

Perhaps upgrading to 11.6 is the problem.

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MacOS: Screenshot doesn't work

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