https://community.esri.com/t5/arcgis-pro-questions/malformed-uninstall-paths-for-arcgis-pro-3-5/m-p/1713797#M103924 <P>Hello,</P><P>I was wondering if anyone else SEEs the issue described below with the UninstallPath key within the registry for HCLM? I'm asking if this is 'normal' for ArcGIS Pro 3.5. Thank you! basically looking for a yes/no answer <span class="lia-unicode-emoji" title=":winking_face:">😉</span></P><P>Specifically, I'm looking at:</P><UL><LI>Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ArcGISPro</LI><LI>Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ArcGISPro Update356</LI><LI>Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ArcGISPro Update357</LI><LI>Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ArcGISPro Update358</LI></UL><P>I'm see the UninstallPath has an extra '\', which makes the path unreachable. The value I have is "c:\Program Files\ArcGIS\Pro<STRONG>\\</STRONG>Support\ESRI.exe"; in addition, at that location there is no ESRI.exe to be found.</P><P>I'm troubleshooting an install failure and this was one thing I notice. The '\\' would throw a security error if the path were used since it is a malformed UNC path.</P><P>Richard</P> Mon, 20 Jul 2026 16:02:50 GMT RichardDaniels 2026-07-20T16:02:50Z https://community.esri.com/t5/arcgis-pro-questions/malformed-uninstall-paths-for-arcgis-pro-3-5/m-p/1713797#M103924 <P>Hello,</P><P>I was wondering if anyone else SEEs the issue described below with the UninstallPath key within the registry for HCLM? I'm asking if this is 'normal' for ArcGIS Pro 3.5. Thank you! basically looking for a yes/no answer <span class="lia-unicode-emoji" title=":winking_face:">😉</span></P><P>Specifically, I'm looking at:</P><UL><LI>Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ArcGISPro</LI><LI>Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ArcGISPro Update356</LI><LI>Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ArcGISPro Update357</LI><LI>Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ArcGISPro Update358</LI></UL><P>I'm see the UninstallPath has an extra '\', which makes the path unreachable. The value I have is "c:\Program Files\ArcGIS\Pro<STRONG>\\</STRONG>Support\ESRI.exe"; in addition, at that location there is no ESRI.exe to be found.</P><P>I'm troubleshooting an install failure and this was one thing I notice. The '\\' would throw a security error if the path were used since it is a malformed UNC path.</P><P>Richard</P> Mon, 20 Jul 2026 16:02:50 GMT https://community.esri.com/t5/arcgis-pro-questions/malformed-uninstall-paths-for-arcgis-pro-3-5/m-p/1713797#M103924 RichardDaniels 2026-07-20T16:02:50Z https://community.esri.com/t5/arcgis-pro-questions/malformed-uninstall-paths-for-arcgis-pro-3-5/m-p/1714236#M103936 <P>Yes—seeing a double backslash in a registry path like&nbsp;C:\Program Files\ArcGIS\Pro\\Support\...&nbsp;is normal and typically not the cause of an install failure.</P><P>No—it’s not normal&nbsp;for the uninstall target to point to&nbsp;...\Pro\Support\ESRI.exe&nbsp;when that file does not exist; that usually indicates a corrupted/incomplete install/update entry.</P><P>For next steps, Esri-supported troubleshooting for Pro 3.5 install/update failures -&nbsp;<A href="https://support.esri.com/en-us/knowledge-base/problem-unable-to-install-or-update-arcgis-pro-3-5-and--000038294" target="_blank" rel="noopener">Unable to Install or Update ArcGIS pro 3.5 and Later</A></P> Mon, 13 Jul 2026 16:05:19 GMT https://community.esri.com/t5/arcgis-pro-questions/malformed-uninstall-paths-for-arcgis-pro-3-5/m-p/1714236#M103936 Robert_LeClair 2026-07-13T16:05:19Z https://community.esri.com/t5/arcgis-pro-questions/malformed-uninstall-paths-for-arcgis-pro-3-5/m-p/1715311#M103996 <P>Can you post what&nbsp;<SPAN>HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ArcGISPro should contain?</SPAN></P><P>Thank you</P> Mon, 20 Jul 2026 16:04:34 GMT https://community.esri.com/t5/arcgis-pro-questions/malformed-uninstall-paths-for-arcgis-pro-3-5/m-p/1715311#M103996 RichardDaniels 2026-07-20T16:04:34Z https://community.esri.com/t5/arcgis-pro-questions/malformed-uninstall-paths-for-arcgis-pro-3-5/m-p/1715326#M103998 <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="Registry.jpg" style="width: 669px;"><img src="https://community.esri.com/t5/image/serverpage/image-id/155590iCB2ECFF1B28AD6BB/image-size/large?v=v2&amp;px=999" role="button" title="Registry.jpg" alt="Registry.jpg" /></span></P><P>This is what I have...</P> Mon, 20 Jul 2026 16:50:11 GMT https://community.esri.com/t5/arcgis-pro-questions/malformed-uninstall-paths-for-arcgis-pro-3-5/m-p/1715326#M103998 Robert_LeClair 2026-07-20T16:50:11Z