PopClip Troubleshooting
| Problem | Possible Solution |
| PopClip fails in a specific app. | Check the list of incompatible apps. Some software is not compatible with PopClip. See: PopClip Known Issues. |
| Check whether you added the app to the Excluded Apps list. You can access the Excluded Apps list in PopClip preferences. | |
| Quit and restart both apps. Try quitting and restarting the affected app. If that fails, try quitting and restarting PopClip. | |
| Now try everything in "PopClip doesn't work at all" below. | |
| PopClip doesn't work at all. | Check PopClip is On. Click on the PopClip menu bar icon and ensure that PopClip is turned on. |
| Check your keyboard shortcuts. PopClip needs the keyboard shortcuts for Cut, Copy and Paste to be the defaults: ⌘X, ⌘C and ⌘V. If you have custom shortcuts (in System Preferences → Keyboard → Shortcuts → App Shortcuts), PopClip will not work properly. |
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| Reinstall PopClip. Quit and delete PopClip by dragging to the Trash, then install the latest version. If you bought PopClip from the Mac App Store, go to the App Store and sign in with your Apple ID. In the Purchases tab, install PopClip again. If you bought PopClip directly from Pilotmoon Software, download the latest version from PopClip Downloads. |
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| Restart your Mac. This classic solution really works sometimes. Crossing your fingers is optional.
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| Enable Accessibility access. You may see this message when you click the PopClip menu bar icon:  Use System Preferences to let PopClip access the Accessibly API. See: Enable Accessibility Access for PopClip |
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| Some actions (such as copy, paste, and spelling replacement) are not working after updating macOS. |
1. Quit PopClip 2. Go to System Preferences → Privacy → Accessibility 3. In the list "Allow the apps below to control your computer", highlight PopClip and then remove it using the "-" (minus) button. (Fully remove it, don't just uncheck it.) 4. Use the "+" button add PopClip again to the "Allow the apps below to control your computer" list. |
| PopClip does not appear in the list to enable Accessibility access. | Reboot your Mac, and PopClip should then appear in the list. |
| PopClip runs in the background, but no icon or window for PopClip appears. | Most likely, you are running Bartender, and it is hiding PopClip. Adjust Bartender settings appropriately. |
| PopClip has locked up / using 100% CPU | Quit PopClip using Activity Monitor. Using Activity Monitor, you can force quit the app. If this happens a lot, please report it. Taking a sample using Activity Monitor's "Sample Process" will be really handy too. |
| Not all the extension(s) appear. | Extensions only appear if they are applicable to the selected text. See: PopClip FAQ. |
| An extension is not working. | Try downloading the latest version of the extension from PopClip Extensions. |
| In Firefox: "A copy of Firefox is already open. Only one copy of Firefox can be open at a time." | This happens when Firefox has downloaded an update in the background and needs to install it. All you need to do is quit Firefox and restart it. |
| I bought PopClip on the Mac App Store, but now it has gone back to trial mode and wants me to buy again! | You have downloaded the standalone edition from the PopClip website. You should reinstall the Mac App Store edition. Quit PopClip and delete it, then then sign in to the Mac App Store and re-download it there. |
| I bought PopClip on the Mac App Store. I want to reinstall it, but the Mac App Store does not show it as having been purchased. | You probably need to sign in to the App Store first, or you may need to unhide your purchase. See: Mac App Store Troubleshooting. |