Hi Jenna,

Please try the below fixes to resolve the copy-paste issue in your computer.

Fix 1. Uninstalling Adobe Reader
Sometimes, newly installed Adobe Reader may affect other applications or programs, stopping them from working properly. So when you cannot use Copy and Paste feature to copy or move files in PC, you can try to uninstall Adobe Reader in Windows PC to see if this help or not:

1. 1. Right-click on Start > Select Programs and Features;
2. 2. Find Adobe Reader and right-click it, select Uninstall;
3. 3. Uninstall Adobe Reader and restart PC.

After rebooting PC, you can then try to check out whether Copy & Paste feature work or not. If not, try Quick Fix 2 to get your problem solved now.

Fix 2. Run SFC and uninstall/reinstall keyboard drivers 

1. Press Win + R to open Run dialog and type: cmd to bring up Command Prompt by hitting Enter;
2. Type: sfc /scannow and hit Enter;
3. Let the SFC command to check and repair corrupted files on your PC and then check out whether copy and paste feature work or not;
4. If SFC command doesn’t work, type: dism /online /cleanup-image /restorehealth and hit Enter;
5. After this, you can reboot PC and then try to copy, cut and paste files or data into another location then.

If it still not works, try to enter Device Manager and uninstall and reinstall the keyboard driver to see whether copy and paste work or not:

1. Right-click on This PC/My Computer > Select Manage;
2. Select Device Manager, expand Keyboards section > Right-click the keyboard that you want to repair and selectUninstall;
3. Then click Windows Start button and click Restart;
4. Windows will reboot and automatically detect your keyboard and reinstall the keyboard drivers.

If these two quick fixes don’t solve your case, you can follow below 3 solutions to make copy, cut and paste feature work again.

Method 1. Repair damaged Internet Explorer that cause Copy/Cut/Paste won’t work

1. Click Start > Settings > Control Panel;
2. Double click Add/Remove Programs > Microsoft Internet Explorer > Change/Remove;
3. Click Repair Internet Explorer in the Internet Explorer and Internet Tolls dialog > Click OK.

If Copy and Paste feature still doesn’t work, try to restore the previous Windows configuration:

1. Click Start > Settings > Control Panel;
2. Double click Add/Remove Programs > Microsoft Internet Explorer;
3. Click Restore the previous Windows configuration and select OK;
4. Follow the onscreen guidelines to complete the process.

Then you can check and try to coy, cut and paste files to new location.

Method 2. Fix Copy/Cut/Paste not working error with Registry editor

1. Follow the below path: C:\Windows\System\ and click IEMIGRAT.DLL > On the File menu, click Rename;
2. Rename the file as lemigrat.dlx and close Windows Explorer;
3. Click Start > Run > type: regedit and click OK;
4. In Registry Editor, click My Computer > Click Export Registry File on the Registry menu;
5. Select a safe location to save the exported file;
6. In the File name box, type the name for new file and click Save;
7. Click: HKEY_LOCAL_MACHINE/Software/Microsoft/Windows/CurrentVersion/Setup/Migration in Registry Editor > find and click the 100 key in the right pane;
8. Click Delete on the Edit menu > Click Close on the File menu and then close all programs;
9. Restart PC and insert Windows Millennium Edition installation CD-ROM and follow the installation instructions to complete the process.

After this, Windows Explorer and Copy/Cut/Paste etc features and apps can all work properly then.

I hope this helps.

Regards,
Lokesh