My blockland is randomly crashing.

[mario0126]

Delete some addons that you don't use anymore.

[Ad Bot]

[Mr Queeba]

Delete some addons that you don't use anymore.

I use all my add-ons well.

[-Jetz-]

I use all my add-ons well.

Then start deleting ones you do use.

[ßlöükfáce]

My desktop did that for a long time too it felt really unstable

Then it stopped for some reason and never knew why it was happening when it did

[Fab]

Then start deleting ones you do use.

LMAO

[Butler]

Disable all but default add-ons.
If it still crashes, you get to re-install.
If it does not crash, you get to burn your add-ons folder.