

#CHEM DRAW 10 UPDATE#
Once the update that resolves the issue is released, the policy will be ignored and the machines will progress normally when installing updates.Ĭurrently, PerkinElmer is addressing the performance issue internally, and has scheduled a ChemDraw point fix for version 20.1 for early May 2021.
#CHEM DRAW 10 CODE#
The KIR, in this case, temporarily disables the specific code change that cause slower application performance until a resolving fix becomes available. Known Issue Rollback (KIR) tool allows 1809 -> 20H2 customers to leave 2021 2B and superseding updates installed until a resolving fix becomes available. Locate the Policy Setting for your OS and set it to "Disabled". Hint: Configure new files to appear at the top of the file viewer being used.Ĥ.
#CHEM DRAW 10 WINDOWS 10#
For example, the 2020 10B KB that introduced this regression on the 20H2 release of Windows 10 was KB4580364. Note the ADMX file installed by the MSI file in the %systemroot%\PolicyDefinitions directory that introduced the regression. Run the MSI file that corresponds to the OS version requiring the KIR.ģ. Download the KIR group policy MSI files for your OS to the local machine.Ģ. The KIR installation files are found at the following locations: For a copy of the Microsoft Windows 10 Known Issue Rollback (KIR) instruction document, contact PerkinElmer support using the website listed below. Future MS updates will not affect it as long as the group policy settings are set to "disable" for the offending KB. The KIR rolls back the GDIPlus.dll functionality to its previous version. Microsoft has authorized a mitigation file process (KIR) to be distributed to all users encountering the ChemDraw performance issue. After uninstalling this or other related cumulative updates, the performance issue is resolved. The MS update includes the GDIPlus.dll file which affects font caching while running the ChemDraw application. Performance issues include increased screen lag or choppiness, problems adding bonds, and cutting/pasting/moving of structures.
#CHEM DRAW 10 FOR WINDOWS 10#
Performance related issues have been noted after installing Microsoft security update (KB4601319) and other cumulative updates containing the same KB for Windows 10 operating system versions 2004/20H2, 1909, and 1809. ChemDraw is experiencing slow performance issues after installing the recent Windows 10 updates in February of 2021 ( Version 2004 Build 19041.804, Version 20H2 Build 19042.804, Version 1809, Version 1909).
