You may face this error when you are trying to install the IBM WebSphere Integration Designer V7.5.
CRIMC1017E: Failed to locate 'zip org.eclipse.equinox.p2.bootstrap.repository.win32.win32.x86 3.6.2.r362_v20101104-9SAxFMKFkSAqi8axkv1ZjegmiBLY-1319915788411' ...
This problem happens because the launcher could not find a specific jar file.
To resolve this error, just place all the extracted zip files of the setup source under the first folder
"IID_V7.5_1_of_2" as shown in the figure below.
Hopefully, this tip can save you some time.