Thanks Tony

I did look there last time (earlier this morning) and there was nothing obvious. But I'll keep doing that each time it happens, in case something pops up. I feel it seems to happen every 7-10 days, so might be a memory issue with another app. Its just annoying and I will probably live with it (unless I can find a fix) until I upgrade the OS in a few months.

Graham


On 19/11/2018 11:55, 'A C Crooks' via Sussex Mac User Group wrote:
I’d have a look at Activity Monitor to see if there is a process running that is maybe slowing things down. If this doesn’t show up anything peculiar then maybe a clean instal of macOS?

It is years since I’ve seen a problem with Preview which is my go to for viewing PDFs, markup, rearranging pages, merging PDFs, etc. Thoroughly reliable.

Regards,

Tony
Sent from my iPad

On 19 Nov 2018, at 11:44, Graham Street <[email protected] <mailto:[email protected]>> wrote:

For large PDFs I do this, but smaller ones are usually fine with quick look until the ‘beach ball’ thing starts with any quick look or preview of any file. It doesn’t seem to be one specific thing that triggers it starting to happen.

Graham

On Monday, 19 November 2018 at 11:32, Derek Cross wrote:

It’s much better too view PDFs on the Acrobat Reader rather than Mac Preview.
Derek

On 19 Nov 2018, at 11:07, Graham Street <[email protected] <mailto:[email protected]>> wrote:

Anyone seen or have a solution for this ... ?

After several (not measured how many) days of doing similar previews, I try a macOS preview to do a 'quick look' at something like a JPG or PDF and I get the spinning beach ball and a 'pause' of what feels like a minute. And then the preview appears. It seems to happen on quick look and also if opening a folder where it wants to do a preview of a file I'm highlighting. The same happens in the Applications folder if clicking on an App and macOS is wanting to show the app's preview icon in the finder window. I did a Malwarebytes scan just in case.

Eventually I can't live with it and do a restart. Then it all works fine again, until the next time. I have loads of free memory and around 33% free disk space. I've googled for solutions and tried one (deleting the folder ~Library/Containers/com.apple.Preview) but that didn't fix it unless the restart afterwards was necessary too. I'm currently in the period where its all working fine so can't yet reproduce anything or check on possible fixes.

Thought I'd ask the group if anyone else had come across this. No doubt an upgrade to macOS (to High Sierra or Mojave) might fix it but I'm not at a convenient point to do this currently.

Graham



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