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QuickTime PlayerX Behaving Badly
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iBBS Addict
Picture of CHunter
posted
MacOS: 10.13.6 High Sierra
Two days ago while using the app,
QuickTime 10.4 just started
behaving badly. Crashing. freezing.
No matter what I try, within 20 seconds
of launching, "Not Responding" icon.

Any thoughts?
 
Posts: 1624 | Registered: June 16, 2002Reply With QuoteReport This Post
Genius
Picture of Phyllis Evans
posted Hide Post
Did you try trashing the prefs file? Haven't encountered that with QT, but I've had other apps do it, and it's usually just a corrupt prefs file.


"I really need a new tagline"
—P M Evans
 
Posts: 3776 | Location: Redford, MI | Registered: June 10, 2002Reply With QuoteReport This Post
iBBS Addict
Picture of CHunter
posted Hide Post
1. Yes, I trashed the com.apple.QuickTimePlayerX.plist file.
2. When I launched QTPX, it would open one of the last .mp4 movies I created two days ago.
3. A new .plist file WOULD NOT be created in preferences.

4. After playing the .mp4 video or even just closing it > QTPX would crash into "Not Responding"
5. Force Quit

6. I copied this same .mp4 file to another external drive
7. Deleted .mp4 from the existing hard drive so that the app would not locate it at launch.
8. Launched QTPX > works fine > creates new .plist file

9. Copied the .mp4 file back to my hard drive
10. Launched QTPX > File > New recording > works fine
11. File > Open .mp4 > CRASH

12. Tested the other two .mp4 videos created the same day.
13. Only one causes QTPX to crash.
14. All .mp4 files created exporting from Screenflow

15. At least I got QTPX to stop launching the offending video(s) at launch, allowing me to use it.
 
Posts: 1624 | Registered: June 16, 2002Reply With QuoteReport This Post
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