The Copy Functions Cannot be Used: 5 Ways to Fix

Disable your antivirus temporarily if you encounter this error

5 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

The copy functions cannot be usederror message appears when installing certain applications on your PC. UnlikeAnother installation is in progresserror, this one will block the files from copying to your system.

This can be a serious issue since it will prevent you from installing certain software completely, so it’s important to fix it.

Join us while we take a closer look at this guide and show you the best methods you can use to fix this problem.

What causes The copy functions cannot be used error?

How do I fix The copy functions cannot be used error?

Before we start fixing the issue, here are a few quick workarounds that might work if you’re using an optical drive:

1. Temporarily disable your antivirus

Disabling real-time protection isn’t advised, so be sure to use this as a temporary solution forThe copy functions cannot be usederror.

2. Copy the installation files to the root directory

Some users also recommend disabling your antivirus before starting the setup, so be sure to do that as well.

3. Change setup.ini file

After making the changes to thesetup.inifile, save them and check ifThe copy function cannot be usederror is gone.

4. Give Everyone access to the setup folder

After doing that, all users will have full access to that directory and you should be able to install the application without any errors. Even though this solution is related to AutoCAD, you can also try it with other problematic apps.

5. Perform Clean boot

After making these changes, restart your PC or log out and log back in to your Windows 10 account. After doing that, try to install the problematic application again.

If you manage to install the app, repeat the same steps and enable all startup apps and services.

ERROR_CANNOT_COPY andThe copy functions cannot be usederrors can appear on almost any PC and prevent you from installing certain applications.

This isn’t the only issue you can encounter, and many reportedYou do not have sufficient privileges to installerror. However, we already fixed it one of our other guides.

This can be a problematic error, but you should be able to fix it by using one of our solutions.

The Copy Functions Cannot be Used: 5 Ways to Fix#

What causes The copy functions cannot be used error?#

How do I fix The copy functions cannot be used error?#

1. Temporarily disable your antivirus#

2. Copy the installation files to the root directory#

3. Change setup.ini file#

4. Give Everyone access to the setup folder#

5. Perform Clean boot#