# Error Message Installing First Automation Using Microsoft Office **URL:** \ **Category:** Assistant\ **Tags:** question, assistant\ **Created:** [April 30, 2026, 12:52pm UTC](https://forum.uipath.com/t/error-message-installing-first-automation-using-microsoft-office/5742853 "2026-04-30T12:52:38Z")\ **Posts on this page:** 7\ **Page:** 1
**Author:** ![Tchassem5](https://sea2.discourse-cdn.com/uipath/user_avatar/forum.uipath.com/tchassem5/32/514008_2.png) [@Tchassem5](https://forum.uipath.com/u/Tchassem5)\ **Post date:** [April 30, 2026, 12:52pm UTC](https://forum.uipath.com/t/error-message-installing-first-automation-using-microsoft-office/5742853/1 "2026-04-30T12:52:38Z")
Hello, I’m trying to install my first automation through UiPath Assistant but I get this error message: “Access to the path ‘ICSharpCode.SharpZipLib.dll’ is denied.”. Anyone know why and how I can fix it? ---
**Author:** ![JarrydScott](https://sea2.discourse-cdn.com/uipath/user_avatar/forum.uipath.com/jarrydscott/32/557333_2.png) [@JarrydScott](https://forum.uipath.com/u/JarrydScott)\ **Post date:** [April 30, 2026, 1:04pm UTC](https://forum.uipath.com/t/error-message-installing-first-automation-using-microsoft-office/5742853/2 "2026-04-30T13:04:50Z")
Hi @Tchassem5 It looks like that dll file might be locked because it’s been used by another process. Can you try quitting your assistant and ending the following tasks in Task Manager: 1. UiPath executor 2. UiPath.Service.Host 3. UiPath Assistant Then simply open Assistant again and try install the process. Give it a try and let me know 🙂 ---
**Author:** ![shrikrushna.bhoi](https://sea2.discourse-cdn.com/uipath/user_avatar/forum.uipath.com/shrikrushna.bhoi/32/528317_2.png) [@shrikrushna.bhoi](https://forum.uipath.com/u/shrikrushna.bhoi)\ **Post date:** [April 30, 2026, 4:33pm UTC](https://forum.uipath.com/t/error-message-installing-first-automation-using-microsoft-office/5742853/3 "2026-04-30T16:33:05Z")
hey @Tchassem5 Use this method to fix: Access to the path ICSharpCode.SharpZipLib.dll is denied. Quick Fixes: 1 Close UiPath Studio/Assistant completely\*\* → Restart as Administrator 2 Clear cache: Go to: C:\Users[YourUsername]\AppData\Local\UiPath Delete the .nuget folder Restart 3 Check permissions: Right-click UiPath Studio → Run as Administrator 4. Antivirus issue: Temporarily disable the antivirus and try again 5. Unlock the file: Go to the installation directory Right-click `ICSharpCode.SharpZipLib.dll` → Properties → Uncheck “Read-only” Most common one is Run as Administrator, which usually fixes it. ---
**Author:** ![Tchassem5](https://sea2.discourse-cdn.com/uipath/user_avatar/forum.uipath.com/tchassem5/32/514008_2.png) [@Tchassem5](https://forum.uipath.com/u/Tchassem5)\ **Post date:** [May 1, 2026, 12:03pm UTC](https://forum.uipath.com/t/error-message-installing-first-automation-using-microsoft-office/5742853/4 "2026-05-01T12:03:27Z")
It worked, thank you so much! ---
**Author:** ![Tchassem5](https://sea2.discourse-cdn.com/uipath/user_avatar/forum.uipath.com/tchassem5/32/514008_2.png) [@Tchassem5](https://forum.uipath.com/u/Tchassem5)\ **Post date:** [May 1, 2026, 12:04pm UTC](https://forum.uipath.com/t/error-message-installing-first-automation-using-microsoft-office/5742853/5 "2026-05-01T12:04:10Z")
I got it to work, thanks for the help! ---
**Author:** ![JarrydScott](https://sea2.discourse-cdn.com/uipath/user_avatar/forum.uipath.com/jarrydscott/32/557333_2.png) [@JarrydScott](https://forum.uipath.com/u/JarrydScott)\ **Post date:** [May 1, 2026, 12:26pm UTC](https://forum.uipath.com/t/error-message-installing-first-automation-using-microsoft-office/5742853/6 "2026-05-01T12:26:52Z")
No problem! Glad I could help. May I ask you to please mark this as a solution to assist other developers on this thread 🙂 Thanks! Have a great day ---
**Author:** ![system](https://sea2.discourse-cdn.com/uipath/user_avatar/forum.uipath.com/system/32/182466_2.png) [@system](https://forum.uipath.com/u/system)\ **Post date:** [May 4, 2026, 12:27pm UTC](https://forum.uipath.com/t/error-message-installing-first-automation-using-microsoft-office/5742853/7 "2026-05-04T12:27:35Z")
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