The Camtasia MSI file does not automatically remove previous versions, you can use the following information to perform this uninstall manually.
In the command line, enter this information to perform an uninstall of all previous versions:*
msiexec.exe /uninstall {uninstall GUID} /quiet
The uninstall GUID can be located under the following Windows Registry Key:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
For a list of Camtasia uninstall GUID's please see the list below.
The GUID is also visible by opening the MSI for the version in question using the Orca tool, then looking under Property > ProductCode.
| Camtasia Version | GUID |
|---|---|
| 4.0.0 | {950A8D14-C48E-4508-B377-1EA45A18FA3D} |
| 4.0.1 | {1C6D9FD0-8BE2-4226-8D9F-4929CBC1C396} |
| 4.0.2 | {1BA16E5A-72B9-44B7-9FDA-FB6CE7FF6C0C} |
| 5.0.0 | {7EADB65C-70E8-4C94-AD0A-221462D41A85} |
| 5.0.1 | {83A936D4-2FE6-4953-95C6-223A7B88B7D8} |
| 5.0.2 | {784E6B0F-00EC-4950-95A2-BBA64F44EC48} |
| 5.1.0 | {7BB40A22-8D98-43F9-A08A-E7EFF5AB1324} |
| 6.0.0 | {49253DE2-FC99-4BE3-99A4-DAB01A8E6088} |
| 6.0.2 | {4761EB82-E8BD-45A4-B19B-586FA9D1D7E6} |
| 6.0.3 | {A589DA26-51BD-475D-8C32-E19E34145842} |
| 7.0.0 | {53FA9A9F-3C19-4D43-AD6B-DEF365D469BA} |
| 7.0.1 | {E8D72859-4A1B-4740-8BE4-2ECF86E44834} |
| 7.1.0 | {49471DB8-7F3C-42DB-89C2-AC50FA0C5290} |
| 7.1.1 | {C0E8FE43-C35B-451D-B35F-D4BD056D70E7} |
| 8.0.0 | {72144B9D-58C4-4C09-A5CF-C6A914B912E8} |
| 8.0.2 | {2EB28256-1D66-49F1-AF66-691BF9A27C79} |
| 8.0.3 | {56E884B5-B9B6-4432-B209-3A3EF41C7A01} |
| 8.0.4 | {DB93E2C2-851F-44B2-B09C-351D2C624AE1} |
| 8.1.0 | {2B1F8DD0-873D-4AC3-8400-766F255FE263} |
| 8.1.1 | {3F3A5785-81E3-4065-B643-B4933790AE1E} |
| 8.1.2 | {BFA04EE0-8240-4667-8D53-45496A901C33} |
| 8.2.0 | {58C8CFA6-BE34-4DFE-91F5-D807F402DFC1} |
| 8.2.1 | {A7727F03-5311-4A12-9A63-2ACD20BA0497} |
| 8.3.0 | {5303CFB5-D635-44F0-A94B-9611E81F07C4} |
| 8.4.0 | {B9691991-64D3-435B-8A83-69CC21016936} |
| 8.4.1 | {45F34E54-DAD9-405B-A4F6-B12B0A46B984} |
| 8.4.2 | {80AE23DF-71A4-4E3F-B931-F93AB5DF0BDD} |
| 8.4.3 | {0B341FFF-66F9-4B82-A73A-C2317514A30F} |
| 8.4.4 | {474DFABF-E55B-4905-ABAA-40791A6AC77F} |
| 8.5.0 | {1B57499B-1BEB-426A-A406-D9D004A1D2CE} |
| 8.5.1 | {4A07653A-44E7-472A-880D-9D3F5BB159CA} |
| 8.5.2 | {904AC0F0-F69E-467E-A719-B083940F608A} |
| 8.6.0 | {6D250A56-9A3E-42E5-9103-DCDB3C08A2D2} |
| 9.0.0 | {5B345FC0-9E6D-4D22-9718-682DB0CF2414} |
| 9.0.1 | {D8A1F37A-B11B-4451-830D-6A243ADE2591} |
| 9.0.3 | {8AD50DED-EE14-4FEC-BC2C-F229C3BEFE58} |
| 9.0.4 | {B8A4CB7E-7F5B-484F-A127-E4431000EDCE} |
| 9.0.5 | {1D09B594-C8B5-4CF1-B927-41D9A487799C} |
| 9.1.0 | {28AD42E1-A476-434F-83DD-4BDE762773F2} |
| 9.1.1 | {9A1BFE8E-398E-497D-B3BE-C1D8688010FC} |
| 9.1.2 | {33E08945-3D7B-40BB-B34F-1A3C8B9650DE} |
| 9.1.4 | {DC6B0556-9E89-4179-9BD2-3C24CBBA8E44} |
| 2018.0.0 | {9F0F1C1C-DBBC-4C49-82B3-673B95505BF5} |
| 2018.0.1 | {67A7460A-37BA-4201-98EC-562CDF5F8D59} |
| 2018.0.2 | {EA9A37D8-24A6-47D4-88DD-CE87A5EA18A0} |
| 2018.0.3 | {D745C67F-92C3-48F6-8BD0-43267C09FE16} |
| 2018.0.4 | {E0D47463-70AE-477B-9ADB-932CCDE0E44F} |
| 2018.0.5 | {75C2D991-06BA-4A8B-9180-EF5AFA20AA21} |
| 2018.0.6 | {F6C8B483-DC19-4E50-B126-354D57300954} |
| 2018.0.7 | {B709B962-53AA-446A-A733-95D1A6C5DE50} |
| 2019.0.0 | {4EB2DF9B-37F3-4BE7-85F8-D19B0A51D6FE} |
| 2019.0.1 | {281FB404-5E21-49C9-ABA7-278753936D13} |
| 2019.0.2 | {8D168DE8-61AE-4094-A59A-81F097B80061} |
| 2019.0.3 | {949BD126-84A0-4434-BA37-432284D525C5} |
| 2019.0.4 | {02E89B69-B66F-4350-8616-ACEA19C57493} |
| 2019.0.5 | {2E17021D-9B75-4594-ABA5-1A701C74B5BF} |
| 2019.0.6 | {CB93BDA8-B3C8-42C8-83C0-9A28AEBB0E72} |
| 2019.0.7 | {E2C3B8BE-8B50-4DE2-AEE1-FD4F9BDA39BD} |
| 2019.0.8 | {8CB19300-AE92-4AF3-B73E-52F51551FFD6} |
| 2019.0.9 | {19A62A1C-7918-487A-85FC-7FAEBCBC12C6} |
| 2019.0.10 | {FF10C4F0-9186-405F-809D-D2E8D5E39448} |
| 2020.0.0 | {62B139B9-5587-45A2-A609-14487E627811} |
| 2020.0.1 | {FB73E3E5-A3D6-4CA0-97A3-90928D719887} |
| 2020.0.2 | {1616D43D-FC21-4EA1-98F6-609432C5BD03} |
| 2020.0.3 | {AA467A7B-0108-43B8-9A20-63FD23433EE5} |
| 2020.0.4 | {EA9B4E6B-09DB-40DC-BA38-C09DC1433DE9} |
| 2020.0.5 | {DE38C055-CE5A-43B0-9872-BF3ECAE62616} |
| 2020.0.6 | {9DB5CBA7-C465-496D-9333-C200A803E6D8} |
| 2020.0.7 | {F7D1BBCA-C840-467A-976F-78103F80864D} |
| 2020.0.8 | {E08ACE12-1662-4016-8CFA-365CA3570ED9} |
| 2020.0.9 | {7409F3F1-9BC4-4E19-BE39-CA9B02E5AFC5} |
| 2020.0.10 | {ED4BA134-0E22-4891-B0A6-43BDAA6E7F44} |
| 2020.0.11 | {30A51D30-DAC1-4786-9294-FC560011BAED} |
| 2020.0.12 | {B22D61D6-A710-4C52-9CCC-931E02624256} |
| 2020.0.13 | {D91D10F1-6161-4440-9872-8008D7A773F6} |
| 2021.0.0 | {975B6FB6-A7A3-4139-982B-F52A0564648C} |
| 2021.0.1 | {B39F9987-BA62-48CA-9F46-47B7113121E1} |
