Step 1: Pending reboot.

In case the follow up install fails, it's possible that there's a pending reboot needed from the previous uninstallation. Try to reboot the primary  machine then try again.

Step 2: Try Microsoft Fix.

If uninstall problem still persist after restoring spacedesk program files, try the Install/Uninstall troubleshooter program from the Microsoft Fix article. If spacedesk is not on the program list, just select “Not Listed” then paste the product code of current spacedesk version below.

spacedesk_driver_Win_10_32_v2116.msi:{7019875B-A582-4680-A5AD-F560A1F43548} 

spacedesk_driver_Win_10_64_v2116.msi:{D353CF82-EF19-48BD-8B30-B0B5B76F14E1} 

spacedesk_driver_Win_8.1_32_v2111.msi:{8CED7535-C5C8-4A29-9D0A-AE251ED33F47} 

spacedesk_driver_Win_8.1_64_v2111.msi:{14D9CD93-5326-4CBF-A7FD-C40B625136B9}

spacedeskWindowsVIEWER_v0945_BETA.msi:{948AE214-012A-4972-8C0B-A24712FA2236}

for previous spacedesk version:

spacedesk_driver_Win_10_32_v2115.msi:{1512B184-7585-4F80-A73D-43E0A65743F7} 

spacedesk_driver_Win_10_64_v2115.msi:{F052D102-C149-4C05-A8AD-DD25054D7041} 

spacedesk_driver_Win_10_32_v2114.msi:{C62FC1AC-22B1-469D-B3B8-9FC3796394AB} 

spacedesk_driver_Win_10_64_v2114.msi:{9BAAC9C9-1237-4B6D-98D4-602C36CF9101}

spacedesk_driver_Win_10_32_v2113.msi:{FA456841-A918-4CCC-AF54-96938057DA36}

spacedesk_driver_Win_10_64_v2113.msi:{DF91D074-076D-43D0-B7E5-C35F2DFF3AA2}
spacedesk_driver_Win_10_32_v2112.msi:{1A6AF01C-03FE-4677-9D54-04A1D5BDF065}

spacedesk_driver_Win_10_64_v2112.msi:{C992B9F6-B2FF-499A-9C4A-29DB732CDF44}

spacedesk_driver_Win_10_32_v2111.msi:{0040637E-0413-403A-B857-0CE72B5E5323}

spacedesk_driver_Win_10_64_v2111.msi:{17843FC2-2614-48F3-AA89-5AF38061CB20}

spacedesk_driver_Win_10_32_v2110.msi:{41D85232-019C-4698-A6BA-E08D7663614B}

spacedesk_driver_Win_10_64_v2110.msi:{B518059F-EC31-43E1-8037-25C69F044220}

spacedesk_driver_Win_10_32_v2109.msi:{499511B6-950F-4C52-8E26-2FEC2AD9F197}

spacedesk_driver_Win_10_64_v2109.msi:{9BF2C529-C299-40D5-8C4E-9B40E36CC365}

spacedesk_driver_Win_10_32_v2108.msi:{A77CDF5B-76B1-4656-A8BF-8F1ACEF5922D}

spacedesk_driver_Win_10_64_v2108.msi:{66F0D870-9D03-4FAE-BE0A-6DB81DF0C1BE}
spacedesk_driver_Win_10_32_v2107.msi:{2641D158-240C-4C77-AE4E-A5D6E71E0E20}

spacedesk_driver_Win_10_64_v2107.msi:{A5BF9251-72C7-4C20-9C8F-E4DE7E4710C8}
spacedesk_driver_Win_10_32_v2106.msi:{65A1A822-1066-4A2E-8648-C2298CF60CD1}

spacedesk_driver_Win_10_64_v2106.msi:{6483E48F-D675-4051-A901-9923A761FAF9}
spacedesk_driver_Win_10_32_v2105.msi:{8D1D8674-2013-4ECF-887D-22F50D89D175}

spacedesk_driver_Win_10_64_v2105.msi:{20F53610-4F7B-4544-84A2-FB2CB2F80C5E}
spacedesk_driver_Win_10_32_v2104.msi:{43B571D9-D95B-4C0E-8DF3-C28CC11C15E6}

spacedesk_driver_Win_10_64_v2104.msi:{FC09231A-C3BB-44C6-A2AC-C1CD0855F029}
spacedesk_driver_Win_10_32_v2103.msi:{5DF2C9AA-1FAA-4CAF-94F6-FA12516249D8}

spacedesk_driver_Win_10_64_v2103.msi:{FC039CBE-F251-47F1-A924-18090BBF31C3}
spacedesk_driver_Win_10_32_v2102.msi:{1A9E8C05-C0AF-4F77-BAD7-368CBB3E1219}

spacedesk_driver_Win_10_64_v2102.msi:{F46B0792-0E44-414A-B873-B2A5F603DEC3}
spacedesk_driver_Win_10_32_v2101.msi:{BF73DE86-AB8E-49D1-817D-DFFB7B6DABA6}

spacedesk_driver_Win_10_64_v2101.msi:{2B706772-9B96-458F-B4A2-349C760E44EF}

spacedesk_driver_Win_10_32_v2100.msi:{2B55BC99-0800-4A54-98D6-9842D2C0130B}

spacedesk_driver_Win_10_64_v2100.msi:{B16C8313-39F6-439C-973C-6F8A4D5219E5}

spacedesk_driver_Win_10_32_v1078.msi:{C2F737E5-CFF8-4477-BEAF-E4574D4E7EF2}

spacedesk_driver_Win_10_64_v1078.msi:{FA0F56DD-2855-4BA6-BF6D-E1558D9ED8B3}

spacedesk_driver_Win_10_32_v1077.msi:{BB23B356-8508-483A-9F6B-FE77C034886E}

spacedesk_driver_Win_10_64_v1077.msi:{F4DC07B5-DBC3-4652-9B31-58618E79A543}
spacedesk_driver_Win_10_32_v1076_BETA.msi:{96D0E181-FF85-4963-B3AB-564509F03218}

spacedesk_driver_Win_10_64_v1076_BETA.msi:{1BE05BC1-CE01-451F-B19B-F507796996FD}

spacedesk_driver_Win_8.1_32_v2106.msi:{7566044C-64C8-448F-B9EC-352C28C14CB8}

spacedesk_driver_Win_8.1_64_v2106.msi:{300A4695-992D-4261-B180-DF837D3A8406}
spacedesk_driver_Win_8.1_32_v1067_BETA.msi:{B8891AF1-EB52-4952-8B83-C19C6235EF26}

spacedesk_driver_Win_8.1_64_v1067_BETA.msi:{96E770CD-E3DC-43CE-905A-7C627E9AAF7D}

spacedesk_driver_Win_8.1_32_v1057_BETA.msi:{5150CB30-709F-45D4-9EF3-0DBD337BE6C8}

spacedesk_driver_Win_8.1_64_v1057_BETA.msi:{9702DF94-CE7E-460F-AB60-7F9931208C9F}

spacedesk_driver_Win_8.1_32_v1050_BETA.msi:{07E2F61E-7012-4BC9-873B-9E36BFA94A1B}

spacedesk_driver_Win_8.1_64_v1050_BETA.msi:{1E026DB0-7343-46F8-8078-ED38FE69C40E}

spacedesk_driver_Win_8.1_32_v1048_BETA.msi:{1F518912-9A06-4CE2-BC39-B2AE371AA34F}

spacedesk_driver_Win_8.1_64_v1048_BETA.msi:{DF5510B8-B313-413D-9F58-D0C92879B8F5}

spacedesk_driver_Win_8.1_32_v1043_BETA.msi:{F281537F-4B81-46A1-A262-1EB6A6CF363C}

spacedesk_driver_Win_8.1_64_v1043_BETA.msi:{8FB18F8A-B7AD-4C26-BDAB-4D7699A1A2C5}

spacedeskWindowsVIEWER_v0944_BETA.msi:{C0C40D9C-FF09-46A9-99F1-DD19C969AAB7}
spacedeskWindowsVIEWER_v0943_BETA.msi:{1247D33C-9B06-44F1-BED8-68310E40B265}

spacedeskWindowsVIEWER_v0942_BETA.msi:{B2303265-DFC9-46F4-9CA3-7E2AD95BD110}

spacedeskWindowsVIEWER_v0941_BETA.msi:{1598F649-B998-45AE-8D83-FC14D3E9D56C}

spacedeskWindowsVIEWER_v0940_BETA.msi:{854D64D6-685D-4A59-B5C4-33F106100223}

Step 3: Manual uninstall of drivers and services

After successfully troubleshooting uninstall, spacedesk should be removed from “Programs and Features”. To make sure that drivers and services are comprehensively removed, all the steps in the next section “Manual uninstall” need to be executed.