Mouse buttons frequently stop working for certain contexts

[CuAnnan]

I quite frequently lose the ability to add maneuver nodes, saving and loading sometimes addresses it, returning to the space center and choosing the ship will sometimes address it, quitting the game and loading it sometimes addresses it. Sometimes I have to do all of them more than once.

I quite frequently lose the ability to right-click on items in the space centre to bring up their general info and upgrade button.

Neither of these would be all that annoying except for their frequency.

I am playing a vanilla game. No mods installed.

[sal_vager]

Hi CuAnnan, we'll need your game logs from after this occurs, please see the support stickies.

[CuAnnan]

This doesn't cause a crash. There are no crash logs, there is no output_log even though I follow the instructions for manually creating one.

[sal_vager]

The game makes a KSP.log in the Kerbal Space Program folder, and an output_log.txt in the Kerbal Space Program\KSPData folder every time the game is started.

If it is not doing this then it is likely that you have put KSP in a protected Windows directory, or your anti-virus is deleting any files KSP writes, so ensure that the KSP.exe is whitelisted in your anti-virus and that you copy KSP to C:\Games and run the copy.