Do you have a big problem after the upgrade from Mojave to macOS Catalina on your MacBook Pro, MacBook Air, or iMac? As a big issue – Mac App store not working entirely macOS. Mac App Store (Error cannot connect to app store mac Mojave) is showing blank pages in macOS Mojave everything solved guide in this article.
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Almost Mac users reported a problem that Apple Mac App Store not working. It happens after the Click on the OS X Update button, but this is a kind of bug. We know that without accessing the App Store on the device, we can’t download require apps on MacBook Air, MacBook Pro or iMac. So you should follow the Alternate way to avoid it. We serve here Alternate two ways to resolve your issue. Let’s Go beneath and let to know which one become helpful for your Problem Apple Mac app store not working macOS Catalina, High Sierra, macOS Mojave.
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Fix Mac App Store not working in macOS Catalina, Mojave, Sierra, or High Sierra
Quick Tips,
- Check the System Status for Mac App Store.
- Re-launch the Mac App Store, by holding the Shift Key.
- Click Apple icon > Shut Down. Then start the Mac.
- Restart Wi-Fi Modem.
- Disable/Enable Wi-Fi on your Mac.
- Check the Date & Time, selected Country and Region and Time-Zone as per region. Everything should be correct, otherwise, the Mac App Store may not work.
- Sign Out and Sign In with your Apple ID.
- Delete the App Store cache folder, Finder > Go > Go to Folder > type ~/Library/Caches and hit return. Follow the same path and type /Library/Caches instead and delete the cache.
App Store Not working on macOS Catalina, Mojave, High Sierra or earlier
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Solution 1: Update Mac using Combo Update
Before updating Mac, kindly check the current version of your macOS. To do so,
- Click on Apple icon > About This Mac.
- See the Version Number, it is displayed exactly below the macOS update name. If the Mac is not on the latest version then continue with the steps.
- There, you will find the Software Update button, try clicking on it. Also, enable Auto updates.
- Otherwise, you should update using a browser, using a Combo update.
What is Combo Update?
The combo update is the one that has all the updates and changes of the major version. Besides, you can update the Mac, within the same major update using a combo update.
Most of the users used to update macOS (macOS X) with the help of Combo update, since these combo updates are very helpful to clear up junk and various problems.
Solution 2: Sign Out of Mac App Store
If your Apple ID is facing some issues, then Mac App Store will not work properly on macOS X, at that time the best thing to do it Sign out of the App Store. After that, restart the Mac and then Sign In with the same Apple ID. Here’s how you can do it,
- Click on the Apple icon > App Store.
- Now, on the App Store top bar, click on Store and then Sign Out.
Solution 3: Clear App Store Cache
Clearing App Store cache files is a considerable solution to fix Mac App Store not working on macOS Catalina.
- Open Finder and click Go.
- Select Go to the folder.
- Type ~/Library/Caches/ and click Go.
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- apple.appstore
- storeaccount
- storeassets
- storedownload
- storeinapp
The first one with the name com.apple.appstore is the main folder. Delete all the files stored in the above-listed folders. Don’t delete the folders, only delete the inside files and then empty the trash entirely.
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Solution 4: Delete Incorrect or Invalid Certificates
- Finder > Go > Go to the folder > type, /var/db/crls/.
- Delete the following files, ocspcache.db as well as crlcache.db, you may be asked to enter the administrator password.
- Next, restart the Mac and check if the problem still persists.
Recommended tips,
- Disconnect any VPN or Proxy that you are using on Mac.
- Uncheck Automatic Proxy from, Network Settings > Network Adapter > Advanced.
I have tried a firefox Greasemonkey plugin which in theory is supposed to provide a direct download button, but I can't find the 'download' link or button on the site and I haven't seen any visual guides that show me where it should be. I have tried downloading NookStudy to use, but the system refuses to log me in and I see that B&N has discontinued support for that. I am willing to try a phone workaround if absolutely necessary but I'd rather work directly through my PC if I can.
If this is totally impossible to do, I get that too. If need be, I would rather spend the money entirely on analog books rather than epubs I can't download. I do not trust B&N or Nook as far as I can throw them and fully expect them to crash sometime in the next few years, and I am incredibly uninterested in losing all my books with them. But if I can spend this money on ebooks instead, I'd rather do that. I move semi-frequently and I do a lot of reading on my eReader as it is. (Ironically, that's a Nook Simple Touch--but my next one won't be; I'm absolutely done with B&N and if I didn't have a gift card I would not be buying from them.)
Wretched company. What are my options here?
There is a Windows App for Nook as well-- might require Win8. That link is an microsoft app store URL and I stripped out the uid and referrer stuff, so I'm only 90% confident it's going to work for other people. If not, search for same; it'll come up in google.
You can also track down a copy of the discontinued 'Nook for PC' application, which allegedly still works (win2k through win7-- should work on win8/10 really)
The downloads will have DRM, but from what I'm reading, that's not a major obstacle; I just can't advise you to do anything like that. Nook books are EPUB with DRM, and I'm sure EPUB is at least passingly familiar to a Calibre user.
If you have an Android or iOS device, you can install the Nook app, and that will give you a local file you can put through the ringer in Calibre. The hard part will be locating the files once they're on your device, and from my experience I imagine that iOS would make that really difficult, while Android will be relatively easy. Get yourself a free ebook for Nook and see what you can do.
posted by Sunburnt at 10:10 PM on September 5, 2015 [1 favorite]
You can also track down a copy of the discontinued 'Nook for PC' application, which allegedly still works (win2k through win7-- should work on win8/10 really)
The downloads will have DRM, but from what I'm reading, that's not a major obstacle; I just can't advise you to do anything like that. Nook books are EPUB with DRM, and I'm sure EPUB is at least passingly familiar to a Calibre user.
If you have an Android or iOS device, you can install the Nook app, and that will give you a local file you can put through the ringer in Calibre. The hard part will be locating the files once they're on your device, and from my experience I imagine that iOS would make that really difficult, while Android will be relatively easy. Get yourself a free ebook for Nook and see what you can do.
posted by Sunburnt at 10:10 PM on September 5, 2015 [1 favorite]
Apprentice Alf’s DRM Removal Tools for eBooks
People I know that do this on a large-scale basis use a modified version of the Alf's tools. I'll send you details on the modified workflow by mefi mail.
posted by ryanrs at 10:16 PM on September 5, 2015 [4 favorites]
People I know that do this on a large-scale basis use a modified version of the Alf's tools. I'll send you details on the modified workflow by mefi mail.
posted by ryanrs at 10:16 PM on September 5, 2015 [4 favorites]
The last time I had to deal with a Nook e-book, it was a gigantic butt-pain. I had to spin up a Windows VM to run the NookStudy app, because the diagnostic log it writes was the only place to get the unique ID string that the Calibre de-DRM plugins needed. If NookStudy is no more, I'm not sure how to proceed.
According to this article from 11 July 2015, the NookStudy app still works, though. It might be worth another try.
A Google search will lead you to various other tools that supposedly remove DRM from Nook epubs. However, because B&N used your credit card number as an input to the key generator, the third-party decryprtion tools need it too -- making them scary to use.
On preview: Yes, the Apprentice Alf tools are what you want for Calibre. Hopefully ryanrs has a working way to get the keyfile you need to use them.
posted by sourcequench at 10:24 PM on September 5, 2015
According to this article from 11 July 2015, the NookStudy app still works, though. It might be worth another try.
A Google search will lead you to various other tools that supposedly remove DRM from Nook epubs. However, because B&N used your credit card number as an input to the key generator, the third-party decryprtion tools need it too -- making them scary to use.
On preview: Yes, the Apprentice Alf tools are what you want for Calibre. Hopefully ryanrs has a working way to get the keyfile you need to use them.
posted by sourcequench at 10:24 PM on September 5, 2015
My way still needs your cc number.
posted by ryanrs at 10:27 PM on September 5, 2015
posted by ryanrs at 10:27 PM on September 5, 2015
By far the easiest thing to do is buy the ebook and then download a cracked copy from someplace like libgen that you can then load in Calibre and then onto your device.
posted by Mitheral at 11:37 PM on September 5, 2015 [1 favorite]
posted by Mitheral at 11:37 PM on September 5, 2015 [1 favorite]
Forgive me if I'm missing something (are you wanting to not use the nook app at all?), but I just tried this, and I'm not seeing what the issue is.
--Buy ebook
--Open the nook app for PC and download the book you just bought.
--Open calibre and click the 'add books' icon on your far left (nook books are in 'this pc'--->'documents'--->'my barnes & noble ebooks')
--When I click to open the book it gives me the option to open it in both calibre and adobe. I just double-checked, and the book is definitely in my calibre library.
You could also buy the book directly on your nook and then plug the nook into your computer. Then you open calibre, click the 'add books' icon, and add the ebook to your library from your device. Then it's both on your device and on your pc.
posted by Violet Hour at 12:14 AM on September 6, 2015 [2 favorites]
--Buy ebook
--Open the nook app for PC and download the book you just bought.
--Open calibre and click the 'add books' icon on your far left (nook books are in 'this pc'--->'documents'--->'my barnes & noble ebooks')
--When I click to open the book it gives me the option to open it in both calibre and adobe. I just double-checked, and the book is definitely in my calibre library.
You could also buy the book directly on your nook and then plug the nook into your computer. Then you open calibre, click the 'add books' icon, and add the ebook to your library from your device. Then it's both on your device and on your pc.
posted by Violet Hour at 12:14 AM on September 6, 2015 [2 favorites]
Anything you can open in Adobe Digital Editions can be added, without DRM, to Calibre, using the plugins suggested above. (I still use ADE 2.0, though.) This link suggests they still can be opened in ADE.
posted by jeather at 3:46 AM on September 6, 2015
posted by jeather at 3:46 AM on September 6, 2015
Am I missing anything or am I correct in understanding I won't be able to transfer my 100 or so books to my Macbook.
Darn I wish i'd bought a kindle!
posted by antiquated at 7:20 AM on September 6, 2015
Darn I wish i'd bought a kindle!
posted by antiquated at 7:20 AM on September 6, 2015
For the record, the problem I'm having isn't that I'm not sure how to remove DRM--the problem is that I'm having a rough time downloading any epub files (DRMed or not) from my B&N account. I've tried the Nook for Windows app as well now, and while it's telling me I've downloaded the books I'm having a difficult time finding the file path where they're being stored. The 'My Barnes & Noble Ebooks' folder in Documents (which does exist!) is completely empty as far as I can tell.
If it helps, I'm using Windows 10.
posted by sciatrix at 8:38 AM on September 6, 2015
If it helps, I'm using Windows 10.
posted by sciatrix at 8:38 AM on September 6, 2015
The 'My Barnes & Noble Ebooks' folder in Documents (which does exist!) is completely empty as far as I can tell.
Yeah, um, something's not right here, because mine is full of epub files (Documents--->my Barnes & Noble ebooks -->my email address). When you open the nook app, can you a)see your books and have you b)actually downloaded (not just purchased) your books. If the book is downloaded there will be a big green 'read now' button as well as a smaller gray 'remove local copy' option. (Everything you've ever bought with your email will show up in the app; mine has things from years ago before I had this computer, and some of the old stuff I've never bothered to download again, but I can whenever I want to.)
Also, just spitballing, but on the off chance this is the issue---if you can't even SEE your books in the app to download, double-check that you are signed into the app with the same email you used to buy your books. Like, if you signed into bn.com as sciatrix@gmail and then signed into the app as sciatrixjones@hotmail, it doesn't know you're the same person, and you have to sign out and then back into the app with the same email address as you did on the site. In the app, your email is displayed on the upper left.
Am I missing anything or am I correct in understanding I won't be able to transfer my 100 or so books to my Macbook.
Yes, of course you can transfer your books to a mac. The instructions I wrote above are for a windows 10 pc, but the steps are the same. The easiest way to do it is just to plug the nook into your mac with the usb.
posted by Violet Hour at 10:40 AM on September 6, 2015
Yeah, um, something's not right here, because mine is full of epub files (Documents--->my Barnes & Noble ebooks -->my email address). When you open the nook app, can you a)see your books and have you b)actually downloaded (not just purchased) your books. If the book is downloaded there will be a big green 'read now' button as well as a smaller gray 'remove local copy' option. (Everything you've ever bought with your email will show up in the app; mine has things from years ago before I had this computer, and some of the old stuff I've never bothered to download again, but I can whenever I want to.)
Also, just spitballing, but on the off chance this is the issue---if you can't even SEE your books in the app to download, double-check that you are signed into the app with the same email you used to buy your books. Like, if you signed into bn.com as sciatrix@gmail and then signed into the app as sciatrixjones@hotmail, it doesn't know you're the same person, and you have to sign out and then back into the app with the same email address as you did on the site. In the app, your email is displayed on the upper left.
Am I missing anything or am I correct in understanding I won't be able to transfer my 100 or so books to my Macbook.
Yes, of course you can transfer your books to a mac. The instructions I wrote above are for a windows 10 pc, but the steps are the same. The easiest way to do it is just to plug the nook into your mac with the usb.
posted by Violet Hour at 10:40 AM on September 6, 2015
B&N dumped the ability to read and download books on Mac's. When I go into my library on the website all it offers me is the ability to repurchase all my books. According to one of their chat agents they'll bring back the ability to read books on the web sometime in the future.
posted by Runes at 10:50 AM on September 6, 2015
posted by Runes at 10:50 AM on September 6, 2015
I typically buy from Kobo, and I don't get an epub file, I get an acsm file. Can you find those?
When I open in ADE, I see it in something like My Documents/My Books.
posted by jeather at 11:05 AM on September 6, 2015
When I open in ADE, I see it in something like My Documents/My Books.
posted by jeather at 11:05 AM on September 6, 2015
There are two different barbers and noble Windows apps, there is a metro style app that is what i guess youre using. You want 'nook for pc' googling around it seems that b and n Durant support nook fur pc anymore but I was able to find a download at softpedia that worked for me a few months ago.
posted by dstopps at 12:29 PM on September 6, 2015
posted by dstopps at 12:29 PM on September 6, 2015
Weird. I was using the 'Nook for Windows'--I assume that's not what was meant? Ugh, this is such a goddamn mess. Now trying 'Nook for PC' from a third party, since B&N no longer host a download for it.
..and Nook for PC works! Thanks, all!
posted by sciatrix at 3:02 PM on September 6, 2015
..and Nook for PC works! Thanks, all!
posted by sciatrix at 3:02 PM on September 6, 2015
Nook Book App
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Download Nook App For Macbook
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Books that would be best purchased in a print..January 4, 2011
Help with a new nookDecember 3, 2010
ebook or ubookNovember 16, 2009
1. ISBN 2. Web Service 3. ??? 4. ProfitApril 17, 2007