Sage 50 2021 Upgrade Issue

Sage 50 2021 Upgrade error

Sage is available in a new edition, which contains new and advanced features. Sage is one of the best accounting software and hence, a new edition Sage 50 2021 is available it is very important to know about Sage 2021 Upgrade issues and upgrade steps. This article covers the information on how to upgrade Sage from a lower version to Sage 2021 Upgrade.

Additionally, you will also know about the issues which come while upgrading.

Steps to Upgrade Sage 50 from Lower Version to Higher Version

It is always advisable to create the backup of the data before proceeding with advanced resolutions. Make sure to remember the below things :

  • If you are going to upgrade the Accountants edition of sage 50 then you need to complete uninstall Sage 50
  • After that reinstall using Accountants Edition Serial number

Below steps helps you to upgrade your sage 50 to a higher version of the same year how to change the license.

  • Open any Sage 50 files as a sysadmin in Single user mode.
  • Then, go to Help>> and click on upgrade your Sage 50 product
  • On the Sage 50 Product information window, replace the serial numbers to a new serial number
  • Now, select retrieve my key code from Sage 50( if the internet is connected)
  • Select option “Use this keycode” and enter it manually, If you are not connected to the Internet it will be failed
  • Click ok
  • Do all the above steps at every workshop having Sage 50

List of Errors while Sage 2021 Upgrade

There could be many errors that come in the way while upgrading Sage 50 from an older edition to a new edition. Some of the main errors are as mentioned below :

  • Error: “Sage 50 update could not be completed and needs to run again
  • Error:” File [File name] was not able to be copied
  • Installing a service release update displays error
  • Update failed
  • Service release won’t install and prompt to restart the computer
  • Service release update failed to install
  • Service release (SR) 2015.1, 2015.2, 2015.3, 2016.1, 2016.2, 2017.2 will not install
  • Unable to open the program after failed install of the update
  • Restarting the computer and running the update again results in the same message, effectively putting the install in a loop, SR loop

Sage 2021 upgrade issues can be multiple, however above mentioned errors are some common error mentioned.

Errors and Resolutions of Sage 2021 Upgrade

There could be many numbers of errors, however, some of the common errors with resolutions are provided below.

  1. Error: “Sage 50 update could not be completed and needs to run again” – This error can be happened due to locked files, running processes and in this case, the computer needs to be rebooted.

ResolutionOption 1 – Check for the running process

  • Go to the taskbar and do the right-click on it
  • Select Start task manager, alternatively press Ctrl+Shift+Esc
  • Now select the Process tab
  • Select PeachtreePrefetcher.exe, PeachtreeBusinesslogic.exe, Peachupd.exe, PTXA[Release ].exe, PeachtreeBackup.exe or Peachw.exe, after that select End Process or End task

Option 2 – Reboot

  • Reboot the computer
  • Now run the update manually
  1. Error: “Sage 50 update could not be completed and needs to run again”


  • Go to C:\Windows
  • Now open PeachWLog.XML file with the Notepad ( if notepad if not found, go to C:\Windows\System32\Notepad\. Then select option File >>> Open and browse and search PeachWlog.XML file)
  • Go to option Edit >>> find
  • Search the option fail
  • When the fail line is found, make a note of the file or folder which is causing the failure, addition to note the directory of the file or folder
  • Locate to a directory which founded in the previous step
  • Rename the file or folder found in earlier steps
  • Now run the repair tool
  • After running the repair install the update again

How to get in touch with us?

For any assistance dial  Sage 50 technical support number 1844-871-6289 and connect with the Sage team. Sage helpdesk is available 24*7 to assist you with all the possible solutions. Professionals are polite, certified ad dedicated towards the customers so that we can provide the best resolutions with satisfaction to the customers. Sage technicians are having experience of many years and this quality enhanced the problem-solving skill of executives. You can also email at and soon Sage expert will contact you with the resolution.

Report Your Issue

(Didn't find what you were looking for! Report your issue and get customized help from our Sage experts.)

Sage Version

Edition Year

No of User: Licence

Operating System:

Help Needed: