New update corrupting files

[thomas_roberts]

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

when im trying to make changes to a file using ‘search_replace’ and ‘write’ its corrupting the file everytime. i recently updated cursor but when i came onto my pc to work today cursor had to be redownloaded for some strange reason

Steps to Reproduce

use the newest version of cursor and try with an exisiting file

Expected Behavior

its supposed to implement the new code correctly and then i can proceed with other things

Operating System

Windows 10/11

Current Cursor Version (Menu → About Cursor → Copy)

Version: 1.7.39 (user setup)
VSCode Version: 1.99.3
Commit: a9c77ceae65b77ff772d6adfe05f24d8ebcb2790
Date: 2025-10-08T00:33:20.352Z
Electron: 34.5.8
Chromium: 132.0.6834.210
Node.js: 20.19.1
V8: 13.2.152.41-electron.0
OS: Windows_NT x64 10.0.19045

For AI issues: which model did you use?

auto

Does this stop you from using Cursor

Yes - Cursor is unusable

[deanrie]

Hey, thanks for the report. Is this happening in a new chat?

[thomas_roberts]

erm i lost my main chat a couple of days ago randoly but it was very large anyways and i managed to get the context back fairly easy. its a couple of days old the chat but only started happening this morning the issue after i updated and had to reinstall cursor for some reason ike it corrupted itself