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Windows Defender blocks and deletes user-created cursor.exe files

By PulseAugur Editorial · [1 sources] ·

Users of the Cursor IDE are reporting that Windows Defender is actively blocking and deleting the application's executable file. This issue prevents users from opening Cursor and requires them to reinstall the program repeatedly. The problem appears to have escalated recently, with new reports indicating that Windows Defender is now blocking reinstallation attempts as well. AI

IMPACT Potential disruption for users of AI-integrated development tools.

RANK_REASON User reports indicate a conflict between a software product and an operating system's security features.

Read on r/cursor →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Windows Defender blocks and deletes user-created cursor.exe files

How we ranked this

Signal score
0 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Tool
User reports indicate a conflict between a software product and an operating system's security features.
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
product, other
Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance
Standard
On-topic for AI-industry coverage; kept in the public index.
Story freshness
145 days old
Aged out of breaking-news scoring windows; ranking reflects the durable signal from the full source set.

Full methodology in our editorial standards.

COVERAGE [1]

  1. r/cursor TIER_2 English(EN) · /u/secondgamedev ·

    Windows is blocking and deleting my cursor.exe

    <!-- SC_OFF --><div class="md"><p>For whatever reason these are what I am experiencing right now as of 2026, May 07.</p> <ol> <li><p>cannot open cursor </p></li> <li><p>trying to reinstall after remove program, blocked by windows defender</p></li> <li><p>after restart, cursor.exe…

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