ERROR_CANNOT_COPY is a system error and is generally followed by the error message Copy functions cannot be used . This error can prevent you from copying files and installing apps, so today we are going to show you how to fix it in Windows 10.
How to fix ERROR_CANNOT_COPY error?
Fix – ERROR_CANNOT_COPY
Solution 1: temporarily disable your antivirus
Antivirus software is important, but it can sometimes interfere with Windows and prevent you from installing certain applications. If that happens, you may encounter the error message Cannot use copy functions . To fix this problem, it is recommended to temporarily disable your antivirus. If disabling your antivirus software doesn’t fix the problem, you may need to uninstall it.
Even if you uninstall your antivirus, your PC will not be vulnerable because Windows 10 comes with Windows Defender that works as a default antivirus. Be aware that antivirus tools can leave behind certain files and registry entries. These files can also cause this problem to appear, so it is recommended to use a dedicated removal tool that will find and remove these files automatically. Most antivirus companies offer dedicated removal tools for their software, so be sure to download one for your antivirus.
After removing your antivirus software, check if the problem persists. If you manage to install the application, be sure to install the latest version of your antivirus software or switch to a different security solution. Almost any antivirus can cause this error, but users reported problems with McAfee, so if you have this app installed, be sure to remove it and check if that solves the problem.
Solution 2: copy the installation files to the root directory
If you are getting this error when trying to install certain applications, you may be able to fix it by simply copying the installation files. If you are running the setup from a USB flash drive or optical media, copy the installation files to the root directory as C: and try running the setup file again.
- ALSO READ: Fix: “You’ll need a new app to open this ms-windows-store” error
Some users also recommend disabling your antivirus before starting setup, so be sure to do that as well.
Solution 3 – Change the setup.ini file
According to users, this error can occur when trying to install Autodesk software. To fix this problem, you must first copy all the installation files to your hard drive. After doing that, you need to locate the setup.ini file and edit it. You need to edit the EXTRA_FILES line , and depending on the software you are trying to install, you need to change it as follows:
- For Autodesk Fabrication CADmep 2014 :EXTRA_FILES=CADmepDBX;*.exe:*.pit:*.xml:*.mc3:*.mlm:3rdParty:CER:%lang%:EULA:NLSDL:Setup:SetupRes:Third-Party Component Open Source EULAs
- For Autodesk Fabrication CADmep 2016 :EXTRA_FILES=CADmep;*.exe:*.pit:*.xml:*.mc3:*.mlm:3rdParty:CER:Content:%lang%:EULA:NLSDL:Setup:SetupRes:Third-Party Component Open Source EULAs
- For Autodesk Fabrication ESTmep 2016 :EXTRA_FILES=ESTmep;*.exe:*.pit:*.xml:*.mc3:*.mlm:3rdParty:CER:Content:%lang%:EULA:NLSDL:Setup:SetupRes:Third-Party Component Open Source EULAs
- For Autodesk Fabrication CAMduct :2016:EXTRA_FILES=CAMduct;*.exe:*.pit:*.xml:*.mc3:*.mlm:3rdParty:CER:Content:%lang%:EULA:NLSDL:Setup:SetupRes:Third-Party Component Open Source EULAs
After making the changes to the setup.ini file , save them and try installing the application again.
