Thank you for writing.
This is a possible scenario because the new installation tries to remove the Visual Studio extensions of the previous version. If the old installation is corrupted and the new installer could not find the old installer file automatically, you are prompted to locate it.
There are two solutions for this issue:
- You can uninstall the previous version manually and then install the new version.
- You can download the previous version from our website and locate it when the new installer requests it.
I hope this will help.
the Telerik team
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