Hello @DrDress ,
Welcome to Microsoft Q&A forum.
Please check these three aspects: Visual Studio(VS) itself(IDE, settings), Dropbox and other extensions or development environment.
Firstly, close every VS instances and delete the
obj and the hidden
.vs folder in your solution folder -> restart VS -> clean and rebuild your solution -> run your project > try to move the tabs and check if it works well this time.
Secondly, please avoid the impact from Dropbox and create a new simple project, and try to reproduce this issue.
If VS works well, I’m afraid this issue may be caused by the impact from Dropbox, I suggest you report this issue to VS Product Team in our Developer Community by using VS > Help > Send Feedback > Report a problem and also report it to Dropbox related community or forum.
If VS crashes again, please restart VS and follow this document: Reset settings to reset VS settings(select
General on step 4 and export VS settings before resetting it if necessary), check the tabs again. Try to repair VS if this doesn’t work.
For impacts from other extensions and development environment, I suggest you disable any third-party extensions temporarily and run VS in Safe Mode to re-dock the tabs.
If the issue remains, please launch
Developer Command Prompt for VS XXXX from Start Menu, and run "devenv.exe /log" then reproduce this issue in VS, after that close VS and go to
%AppData%\Microsoft\VisualStudio\<version>\ActivityLog.xml, share me the ActivityLog.xml file for further check.
Feel free to let me know the results.
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