# URCAP has an Invalid Manifest when installing from USB

**URL:** <https://forum.universal-robots.com/t/urcap-has-an-invalid-manifest-when-installing-from-usb/33794>\
**Category:** Report a Bug\
**Created:** [April 19, 2024, 5:38am UTC](https://forum.universal-robots.com/t/urcap-has-an-invalid-manifest-when-installing-from-usb/33794 "2024-04-19T05:38:50Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![PKTorrild](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.universal-robots.com/pktorrild/32/6447_2.png) [@PKTorrild](https://forum.universal-robots.com/u/PKTorrild)\
**Post date:** [April 19, 2024, 5:38am UTC](https://forum.universal-robots.com/t/urcap-has-an-invalid-manifest-when-installing-from-usb/33794/1 "2024-04-19T05:38:50Z")

</div>

Similar to [This URCAP has an Invalid Manifest - on Polyscope 5.11.1 - URCap Development / URCaps SDK - Universal Robots Forum (universal-robots.com)](https://forum.universal-robots.com/t/this-urcap-has-an-invalid-manifest-on-polyscope-5-11-1/15516). When i try to install the cap on the actual robot the installation faults with Invalid Manifest.

**Steps to reproduce:**

1. Compile URCap on SDK 1.13 using marvin.
2. Move from target to USB.
3. On robot install cap from the USB

**Expected Behavior:**  
UR cap installed correctly and promted with restart request.

**Actual Behavior:**  
URcap is faulty with Invalid Manifest

**Workaround Suggestion:**  
Delete the actual file on the USB before move somehow fixes this!

**Robot Serial Number:**  
20236801151

**Affected Version(s):**  
Polyscope: 74.13.232  
Controller: 66.7.16  
SDK: 1.13